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83.080 - Plastics

ICS 83.080 Details

Plastics

Kunststoffe

Plastiques

Polimerni materiali

General Information

Parent
83 - RUBBER AND PLASTICS INDUSTRIES
Sub-Items
83.080.01 - Plastics in general
83.080.10 - Thermosetting materials
83.080.20 - Thermoplastic materials

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Standardization Organization
Technical Committee
Directive
Mandate
50
CEN
EN ISO 13927:2015(Main)
Plastics - Simple heat release test using a conical radiant heater and a thermopile detector (ISO 13927:2015)
SIST EN ISO 13927:2015

ISO 13927:2015 specifies a method suitable for the production control or product development purposes for assessing the heat release rate of essentially flat products exposed in the horizontal orientation to controlled levels of radiant heating with an external igniter. The heat release rate is determined by the use of a thermopile instead of the more accurate oxygen consumption techniques. The time to ignition (sustained flaming) is also measured in this test. Test specimen mass loss can also be measured optionally.

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ISO
ISO 13927:2023(Main)
Plastics — Simple heat release test using a conical radiant heater and a thermopile detector

This document specifies a method suitable for the production control or product development purposes for assessing the heat release rate of essentially flat products exposed in the horizontal orientation to controlled levels of radiant heating with an external igniter. The heat release rate is determined by the use of a thermopile instead of the more accurate oxygen consumption techniques. The time to ignition and sustained flaming are also measured in this test. The mass loss of the test specimen can also be measured optionally.

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CEN
EN ISO 20200:2023(Main)
Plastics - Determination of the degree of disintegration of plastic materials under composting conditions in a laboratory-scale test (ISO 20200:2023)
oSIST prEN ISO 20200:2023

This document specifies a method of determining the degree of disintegration of plastic materials when exposed to a laboratory-scale composting environment. The method is not applicable to the determination of the biodegradability of plastic materials under composting conditions. Further testing is necessary to be able to claim compostability.

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ISO
ISO 20200:2023(Main)
Plastics — Determination of the degree of disintegration of plastic materials under composting conditions in a laboratory-scale test

This document specifies a method of determining the degree of disintegration of plastic materials when exposed to a laboratory-scale composting environment. The method is not applicable to the determination of the biodegradability of plastic materials under composting conditions. Further testing is necessary to be able to claim compostability.

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ISO
ISO 5425:2023(Main)
Specifications for use of poly(lactic acid) based filament in additive manufacturing applications

This document specifies the technical requirements, test methods, detection rules, marking/labelling, packaging, transportation and storage of poly(lactic acid) (PLA) based filament for use in specific additive manufacturing technology, such as materials extrusion (MEX). The document applies to PLA based filament for MEX additive manufacturing applications.

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SIST
SIST EN ISO 6186:2023(Main)
Plastics - Determination of pourability (ISO 6186:2023)
EN ISO 6186:2023

This document specifies two methods, A and B, for determining the pourability of plastics in powdered and granular form, by measuring the flow time through a funnel under specified conditions.
From method A, information concerning the processability can be derived, whilst method B is especially designed for process control during manufacture.
The methods specified are not necessarily applicable to all plastics in powdered and granular form.

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CEN
EN ISO 6186:2023(Main)
Plastics - Determination of pourability (ISO 6186:2023)
SIST EN ISO 6186:2023

This document specifies two methods, A and B, for determining the pourability of plastics in powdered and granular form, by measuring the flow time through a funnel under specified conditions.
From method A, information concerning the processability can be derived, whilst method B is especially designed for process control during manufacture.
The methods specified are not necessarily applicable to all plastics in powdered and granular form.

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ISO
ISO 4768:2023(Main)
Measurement method of anti-biofilm activity on plastic and other non-porous surfaces

This document specifies a test method to evaluate the anti-biofilm activity of anti-biofilm treated plastics and other non-porous surfaces of products, including intermediate products. It is applicable to products such as plastics, coating materials, ceramics, stainless steels and rubber. Textile and photocatalytic materials are out of its scope. This method is intended to be a screening test for material development, and it is not expected to reflect effects observed in the actual environment in which materials will be deployed. A “Crystal violet staining – Absorbance measurement assay” is used to quantify the amount of biofilm formation in this document.

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ISO
ISO 6186:2023(Main)
Plastics — Determination of pourability

This document specifies two methods, A and B, for determining the pourability of plastics in powdered and granular form, by measuring the flow time through a funnel under specified conditions. From method A, information concerning the processability can be derived, whilst method B is especially designed for process control during manufacture. The methods specified are not necessarily applicable to all plastics in powdered and granular form.

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SIST
SIST EN ISO 6603-2:2023(Main)
Plastics - Determination of puncture impact behaviour of rigid plastics - Part 2: Instrumented impact testing (ISO 6603-2:2023)
EN ISO 6603-2:2023

This document specifies a test method for the determination of puncture impact properties of rigid plastics, in the form of flat specimens, using instruments for measuring force and deflection. It is applicable if a force-deflection or force-time diagram, recorded at nominal constant striker velocity, is necessary for detailed characterization of the impact behaviour.
The test method is applicable to specimens with a thickness between 1 mm to 4 mm.
The method is suitable for use with the following types of material:
—    rigid thermoplastic moulding and extrusion materials, including filled, unfilled and reinforced compounds and sheets;
—    rigid thermosetting moulding and extrusion materials, including filled and reinforced compounds, sheets and laminates;
—    fibre-reinforced thermoset and thermoplastic composites incorporating unidirectional or multi-directional reinforcements such as mats, woven fabrics, woven rovings, chopped strands, combination and hybrid reinforcements, rovings, milled fibres and sheets made from pre-impregnated materials (prepregs).
The method is also applicable to specimens which are either moulded or machined from finished products, laminates and extruded or cast sheet.
The test results are comparable only if the conditions of preparation of the specimens, their dimensions and surfaces as well as the test conditions are the same. In particular, results determined on specimens of different thickness cannot be compared with one another (see Annex E). Comprehensive evaluation of the reaction to impact stress can be obtained by determinations made as a function of impact velocity and temperature for different material variables, such as crystallinity and moisture content.
The impact behaviour of finished products cannot be predicted directly from this test, but specimens may be taken from finished products (see above) for tests by this method.
Test data developed by this method is not intended to be used for design calculations. However, information on the typical behaviour of the material can be obtained by testing at different temperatures and impact velocities (see Annex D) by varying the thickness (see Annex E) and by testing specimens prepared under different conditions.
It is not the purpose of this document to give an interpretation of the mechanism occurring on every particular point of the force-deflection diagram. These interpretations are a task for scientific research.

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SIST
SIST EN ISO 180:2023(Main)
Plastics - Determination of Izod impact strength (ISO 180:2023)
EN ISO 180:2023

1.1 This document specifies a method for determining the Izod impact strength of plastics under defined conditions. A number of different types of specimen and test configurations are defined. Different test parameters are specified according to the type of material, the type of test specimen and the type of notch.
1.2 The method is used to investigate the behaviour of specified types of specimen under the impact conditions defined and for estimating the brittleness or toughness of specimens within the limitations inherent in the test conditions.
1.3 The method is suitable for use with the following range of materials:
— rigid thermoplastic moulding and extrusion materials, including filled and reinforced compounds in addition to unfilled types; rigid thermoplastics sheets;
— rigid thermosetting moulding materials, including filled and reinforced compounds; rigid thermosetting sheets, including laminates;
— fibre-reinforced thermosetting and thermoplastic composites incorporating unidirectional or non-unidirectional reinforcements such as mat, woven fabrics, woven rovings, chopped strands, combination and hybrid reinforcements, rovings and milled fibres and sheet made from pre-impregnated materials (prepregs);
— thermotropic liquid-crystal polymers.
1.4 The method is not normally suitable for use with rigid cellular materials and sandwich structures containing cellular material. Notched specimens are also not normally used for long-fibre-reinforced composites or thermotropic liquid-crystal polymers.
1.5 The method is suited to the use of specimens which can be either moulded to the chosen dimensions, machined from the central portion of a standard multipurpose test specimen (see ISO 20753) or machined from finished or semi-finished products such as mouldings, laminates and extruded or cast sheet.
1.6 The method specifies preferred dimensions for the test specimen. Tests which are carried out on specimens of different dimensions or with different notches, or specimens which are prepared under different conditions, may produce results which are not comparable. Other factors, such as the energy capacity of the apparatus, its impact velocity and the conditioning of the specimens can also influence the results. Consequently, when comparative data are required, these factors are to be carefully controlled and recorded.
1.7 The method is not intended to be used as a source of data for design calculations. Information on the typical behaviour of a material can be obtained, however, by testing at different temperatures, by varying the notch radius and/or the thickness and by testing specimens prepared under different conditions.

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SIST
SIST EN ISO 179-1:2023(Main)
Plastics - Determination of Charpy impact properties - Part 1: Non-instrumented impact test (ISO 179-1:2023)
EN ISO 179-1:2023

ISO 179-1:2010 specifies a method for determining the Charpy impact strength of plastics under defined conditions. A number of different types of specimen and test configurations are defined. Different test parameters are specified according to the type of material, the type of test specimen and the type of notch.
The method can be used to investigate the behaviour of specified types of specimen under the impact conditions defined and for estimating the brittleness or toughness of specimens within the limitations inherent in the test conditions. It can also be used for the determination of comparative data from similar types of material.
The method has a greater range of applicability than that given in ISO 180 (Izod impact testing) and is more suitable for the testing of materials showing interlaminar shear fracture or of materials exhibiting surface effects due to environmental factors.
The method is suitable for use with the following range of materials:
rigid thermoplastic moulding and extrusion materials (including filled and reinforced compounds in addition to unfilled types) and rigid thermoplastics sheets;
rigid thermosetting moulding materials (including filled and reinforced compounds) and rigid thermosetting sheets (including laminates);
fibre-reinforced thermosetting and thermoplastic composites incorporating unidirectional or multi-directional reinforcements (such as mats, woven fabrics, woven rovings, chopped strands, combination and hybrid reinforcements, rovings and milled fibres) or incorporating sheets made from pre-impregnated materials (prepregs), including filled compounds;
thermotropic liquid-crystal polymers.

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ISO
ISO 14897:2023(Main)
Plastics — Polyols for use in the production of polyurethanes — Determination of water content

This document specifies methods used to measure the water content of polyols employed as polyurethane raw materials. Method A is a manual amperometric method which has been included to better define the principles of the Karl Fischer measurement. Amperometric methods are applicable to a wide range of polyols, including those which have enough colour to obscure a visual end-point. Method B includes an automated amperometric procedure and an automated coulometric procedure. The coulometric procedure is an absolute method that does not require calibration and gives improved sensitivity compared with amperometric methods.

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ISO
ISO 17710:2023(Main)
Plastics — Polyols for use in the production of polyurethanes — Determination of degree of unsaturation by microtitration

This document specifies a microtitration method to measure the degree of unsaturation in polyether polyols used in the production of polyurethanes. It is based on the reaction of mercuric acetate with double bonds in the polyol. It does not apply to compounds in which the unsaturation is conjugated with carbonyl, carboxyl or nitrile groups.

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ISO
ISO 4504:2023(Main)
Plastics — Polyethylene (PE) — Determination of co-monomer content by solution state 13C-NMR spectrometry

This document specifies two methods for the determination of co-monomer contents of polyethylene products by solution state 13C-NMR spectrometry (nuclear magnetic resonance spectrometry): — method A: inverse gated decoupling method. — method B: insensitive nuclei enhanced by polarization transfer method; This document is applicable to copolymers of ethylene having a content of other 1-olefinic monomers of less than a mass fraction of 50 %. This document is not applicable to ethylene homopolymers or copolymers in which ethylene is polymerized with two or more type 1-olefin comonomers.

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CEN
EN ISO 6603-2:2023(Main)
Plastics - Determination of puncture impact behaviour of rigid plastics - Part 2: Instrumented impact testing (ISO 6603-2:2023)
SIST EN ISO 6603-2:2023

This document specifies a test method for the determination of puncture impact properties of rigid plastics, in the form of flat specimens, using instruments for measuring force and deflection. It is applicable if a force-deflection or force-time diagram, recorded at nominal constant striker velocity, is necessary for detailed characterization of the impact behaviour.
The test method is applicable to specimens with a thickness between 1 mm to 4 mm.
The method is suitable for use with the following types of material:
—    rigid thermoplastic moulding and extrusion materials, including filled, unfilled and reinforced compounds and sheets;
—    rigid thermosetting moulding and extrusion materials, including filled and reinforced compounds, sheets and laminates;
—    fibre-reinforced thermoset and thermoplastic composites incorporating unidirectional or multi-directional reinforcements such as mats, woven fabrics, woven rovings, chopped strands, combination and hybrid reinforcements, rovings, milled fibres and sheets made from pre-impregnated materials (prepregs).
The method is also applicable to specimens which are either moulded or machined from finished products, laminates and extruded or cast sheet.
The test results are comparable only if the conditions of preparation of the specimens, their dimensions and surfaces as well as the test conditions are the same. In particular, results determined on specimens of different thickness cannot be compared with one another (see Annex E). Comprehensive evaluation of the reaction to impact stress can be obtained by determinations made as a function of impact velocity and temperature for different material variables, such as crystallinity and moisture content.
The impact behaviour of finished products cannot be predicted directly from this test, but specimens may be taken from finished products (see above) for tests by this method.
Test data developed by this method is not intended to be used for design calculations. However, information on the typical behaviour of the material can be obtained by testing at different temperatures and impact velocities (see Annex D) by varying the thickness (see Annex E) and by testing specimens prepared under different conditions.
It is not the purpose of this document to give an interpretation of the mechanism occurring on every particular point of the force-deflection diagram. These interpretations are a task for scientific research.

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CEN
EN ISO 180:2023(Main)
Plastics - Determination of Izod impact strength (ISO 180:2023)
SIST EN ISO 180:2023

This document specifies a method for determining the Izod impact strength of plastics under defined conditions. A number of different types of specimen and test configurations are defined. Different test parameters are specified according to the type of material, the type of test specimen and the type of notch.
The method is used to investigate the behaviour of specified types of specimen under the impact conditions defined and for estimating the brittleness or toughness of specimens within the limitations inherent in the test conditions.

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CEN
EN ISO 179-1:2023(Main)
Plastics - Determination of Charpy impact properties - Part 1: Non-instrumented impact test (ISO 179-1:2023)
SIST EN ISO 179-1:2023

This document specifies a method for determining the Charpy impact strength of plastics under defined conditions. A number of different types of specimen and test configurations are defined. Different test parameters are specified according to the type of material, the type of test specimen and the type of notch.
The method can be used to investigate the behaviour of specified types of specimen under the impact conditions defined and for estimating the brittleness or toughness of specimens within the limitations inherent in the test conditions. It can also be used for the determination of comparative data from similar types of material.

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ISO
ISO 6603-2:2023(Main)
Plastics — Determination of puncture impact behaviour of rigid plastics — Part 2: Instrumented impact testing

This document specifies a test method for the determination of puncture impact properties of rigid plastics, in the form of flat specimens, using instruments for measuring force and deflection. It is applicable if a force-deflection or force-time diagram, recorded at nominal constant striker velocity, is necessary for detailed characterization of the impact behaviour. The test method is applicable to specimens with a thickness between 1 mm to 4 mm. The method is suitable for use with the following types of material: — rigid thermoplastic moulding and extrusion materials, including filled, unfilled and reinforced compounds and sheets; — rigid thermosetting moulding and extrusion materials, including filled and reinforced compounds, sheets and laminates; — fibre-reinforced thermoset and thermoplastic composites incorporating unidirectional or multi-directional reinforcements such as mats, woven fabrics, woven rovings, chopped strands, combination and hybrid reinforcements, rovings, milled fibres and sheets made from pre-impregnated materials (prepregs). The method is also applicable to specimens which are either moulded or machined from finished products, laminates and extruded or cast sheet. The test results are comparable only if the conditions of preparation of the specimens, their dimensions and surfaces as well as the test conditions are the same. In particular, results determined on specimens of different thickness cannot be compared with one another (see Annex E). Comprehensive evaluation of the reaction to impact stress can be obtained by determinations made as a function of impact velocity and temperature for different material variables, such as crystallinity and moisture content. The impact behaviour of finished products cannot be predicted directly from this test, but specimens may be taken from finished products (see above) for tests by this method. Test data developed by this method is not intended to be used for design calculations. However, information on the typical behaviour of the material can be obtained by testing at different temperatures and impact velocities (see Annex D) by varying the thickness (see Annex E) and by testing specimens prepared under different conditions. It is not the purpose of this document to give an interpretation of the mechanism occurring on every particular point of the force-deflection diagram. These interpretations are a task for scientific research.

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ISO
ISO 179-1:2023(Main)
Plastics — Determination of Charpy impact properties — Part 1: Non-instrumented impact test

This document specifies a method for determining the Charpy impact strength of plastics under defined conditions. A number of different types of specimen and test configurations are defined. Different test parameters are specified according to the type of material, the type of test specimen and the type of notch. The method can be used to investigate the behaviour of specified types of specimen under the impact conditions defined and for estimating the brittleness or toughness of specimens within the limitations inherent in the test conditions. It can also be used for the determination of comparative data from similar types of material.

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ISO
ISO 180:2023(Main)
Plastics — Determination of Izod impact strength

This document specifies a method for determining the Izod impact strength of plastics under defined conditions. A number of different types of specimen and test configurations are defined. Different test parameters are specified according to the type of material, the type of test specimen and the type of notch. The method is used to investigate the behaviour of specified types of specimen under the impact conditions defined and for estimating the brittleness or toughness of specimens within the limitations inherent in the test conditions.

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ISO
ISO 22526-4:2023(Main)
Plastics — Carbon and environmental footprint of biobased plastics — Part 4: Environmental (total) footprint (Life cycle assessment)

This document provides life cycle assessment (LCA) requirements and guidance to assess impacts over the life cycle of biobased plastic products, materials and polymer resins, which are partly or wholly based on biobased constituents. The applications of LCA as such are outside the scope of this document. Clarifications, considerations, practices, simplifications and options for the different applications, are also beyond the scope of this document. In addition, this document can be applied in studies that do not cover the whole life cycle, with justification, for example in the case of business-to-business information, such as cradle-to-gate studies, gate-to-gate studies, and specific parts of the life cycle (e.g. waste management, components of a product). For these studies, most requirements of this document are applicable (e.g. data quality, collection and calculation as well as allocation and critical review), but not all the requirements for the system boundary.

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ISO
ISO 22183:2023(Main)
Plastics — Validation of force-time curves obtained from high-speed tensile tests

This document specifies procedures for validation of high-speed tensile test data. It specifies a method to determine the spectrum of the natural oscillation frequencies of the force transducer and grip configuration of the high-speed tensile test equipment. The lowest significant frequency is used for the validation. This validation procedure only applies to force measurement systems used in high-speed tensile testing machines showing a level of resonance influence that could be critical to the obtained result. Once the relevant frequencies of the system and the anticipated strain for the given material are known, this method allows to calculate the theoretical maximum allowed test speed too.

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ISO
ISO 5430:2023(Main)
Plastics — Ecotoxicity testing scheme for soluble decomposition intermediates from biodegradable plastic materials and products used in the marine environment — Test methods and requirements

This document specifies test methods and evaluation criteria by addressing potential ecotoxicological adverse effects on marine organisms. Adverse effects on marine species can be caused by soluble degradation products of plastic materials such as intermediates or remaining residues resulting from the biodegradation of plastic materials that are used in products for marine applications (e.g. nets for fish farming, dolly ropes, floats, buoys and other non-fishing applications) and which are used in different marine zones, e.g. eulittoral, sublittoral or pelagic zones. The ecotoxicity testing scheme covers marine organisms from four trophic levels, primary producer, primary and secondary consumers and decomposer: — toxicity to marine algae, — toxicity to marine invertebrates, — toxicity to marine fish, — toxicity to marine microorganisms. This document is not suitable for the assessment of adverse effects caused by solid materials of any size.

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ISO
ISO 23949:2023(Main)
Plastics — Application of spread of flame test to plastic pipes

This document specifies test methods for assessing the flame spread of plastic pipes including fiberglass reinforced plastic (FRP) pipes. This document is applicable to plastic pipes including FRP pipes for use in ships, air crafts and vehicles.

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ISO
ISO 4907-1:2023(Main)
Plastics — Ion exchange resin — Part 1: Determination of exchange capacity of acrylic anion exchange resins

This document specifies test methods of the strong-base group capacity, the weak-base group capacity and the weak-acid group capacity of acrylic anion exchange resins.

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ISO
ISO 4907-2:2023(Main)
Plastics — Ion exchange resin — Part 2: Determination of water content of anion exchange resins in hydroxide form by centrifugation

This document specifies test methods by centrifugation of water content of styrene anion exchange resins in hydroxide form.

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ISO
ISO 22007-7:2023(Main)
Plastics — Determination of thermal conductivity and thermal diffusivity — Part 7: Transient measurement of thermal effusivity using a plane heat source

This document specifies a method for the determination of the thermal effusivity. This document is applicable to materials with thermal effusivity in the approximate range 40 W⋅s1/2⋅m−2⋅K−1 bn W⋅s1/2⋅m‑2⋅K‑1, and temperatures in the range of 50 K T

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ISO
ISO 4907-3:2023(Main)
Plastics — Ion exchange resin — Part 3: Determination of exchange capacity of anion exchange resins in hydroxide form

This document specifies test methods of the total exchange capacity, the strong-base group capacity and the weak-base group capacity of the styrene anion exchange resins in hydroxide form.

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SIST
SIST EN ISO 293:2023(Main)
Plastics - Compression moulding of test specimens of thermoplastic materials (ISO 293:2023)
EN ISO 293:2023

ISO 293:2004 specifies the general principles and the procedures to be followed with thermoplastics in the preparation of compression-moulded test specimens, and sheets from which test specimens may be machined or stamped.

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SIST
SIST EN ISO/ASTM 52936-1:2023(Main)
Additive manufacturing of polymers - Qualification principles - Part 1: General principles and preparation of test specimens for PBF-LB (ISO/ASTM 52936-1:2023)
EN ISO/ASTM 52936-1:2023

This document specifies the general principles to be followed when test specimens of thermoplastic materials are prepared by laser-based powder bed fusion, which is also called laser sintering. The laser-sintering process is used to prepare specimens layer upon layer in which thermal energy selectively fuses regions of a powder bed. This document provides a basis for establishing reproducible sintering conditions. Its purpose is to promote uniformity in describing the main process parameters, build orientation of the sintering process and also to establish uniform practice in reporting sintering conditions.
The particular conditions required for reproducible preparation of test specimens which will give comparable results will vary for each material used. These conditions shall be agreed upon between the interested parties.

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SIST
SIST EN ISO 11357-1:2023(Main)
Plastics - Differential scanning calorimetry (DSC) - Part 1: General principles (ISO 11357-1:2023)
EN ISO 11357-1:2023

ISO 11357-1:2016 specifies several differential scanning calorimetry (DSC) methods for the thermal analysis of polymers and polymer blends, such as
- thermoplastics (polymers, moulding compounds and other moulding materials, with or without fillers, fibres or reinforcements),
- thermosets (uncured or cured materials, with or without fillers, fibres or reinforcements), and
- elastomers (with or without fillers, fibres or reinforcements).
ISO 11357-1:2016 is intended for the observation and measurement of various properties of, and phenomena associated with, the above-mentioned materials, such as
- physical transitions (glass transition, phase transitions such as melting and crystallization, polymorphic transitions, etc.),
- chemical reactions (polymerization, crosslinking and curing of elastomers and thermosets, etc.),
- the stability to oxidation, and
- the heat capacity.
ISO 11357-1:2016 specifies a number of general aspects of differential scanning calorimetry, such as the principle and the apparatus, sampling, calibration and general aspects of the procedure and test report common to all following parts.
Details on performing specific methods are given in subsequent parts of ISO 11357 (see Foreword).

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SIST
SIST ISO 171:2023(Main)
Plastics - Determination of bulk factor of moulding materials
ISO 171:2022

This document specifies a method of determining the bulk factor of a moulding material based on the ratio of the apparent volumetric density of a given quantity of particles and the corresponding material density.

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SIST
SIST ISO 4574:2023(Main)
Plastics - PVC resins for general use - Determination of hot plasticizer absorption
ISO 4574:2019

This document specifies a method for determining the hot plasticizer absorption of PVC polymers intended for general use (designated "G" in ISO 1060-1) by hot mixing in a planetary mixer and measuring the amount of plasticizer absorbed.

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SIST
SIST ISO 1110:2023(Main)
Plastics - Polyamides - Accelerated conditioning of test specimens
ISO 1110:2019

This document describes a method for the accelerated conditioning of test specimens of polyamides and copolyamides. It is applicable to grades containing fillers and other additives, but not grades containing more than a mass fraction of 2 % extractables.
The equilibrium moisture content attained by this method is close to the equilibrium moisture content obtained in standard atmosphere 23 °C/50 %RH. The values of mechanical properties obtained after accelerated conditioning in accordance with this method can differ slightly from those obtained after conditioning in standard atmosphere 23 °C/50 %RH.

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SIST
SIST ISO 1675:2023(Main)
Plastics - Liquid resins - Determination of density by the pycnometer method
ISO 1675:2022

This document specifies a method for the determination of the density of liquid resins using a pycnometer.

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CEN
EN ISO 293:2023(Main)
Plastics - Compression moulding of test specimens of thermoplastic materials (ISO 293:2023)
SIST EN ISO 293:2023

This document specifies the general principles and the procedures to be followed with thermoplastics in the preparation of compression-moulded test specimens, and sheets from which test specimens can be machined or stamped.
NOTE       In order to obtain mouldings in a reproducible state, the main steps of the procedure, including eight different cooling methods, are standardized. For each material, the required moulding temperature and cooling methods are given in the appropriate International Standard for the material or as agreed between the interested parties.
This document is not applicable to reinforced thermoplastics.

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CEN
EN ISO 11357-1:2023(Main)
Plastics - Differential scanning calorimetry (DSC) - Part 1: General principles (ISO 11357-1:2023)
SIST EN ISO 11357-1:2023

The ISO 11357 series specifies several differential scanning calorimetry (DSC) methods for the thermal analysis of polymers and polymer blends, such as
—    thermoplastics (polymers, moulding compounds and other moulding materials, with or without fillers, fibres or reinforcements),
—    thermosets (uncured or cured materials, with or without fillers, fibres or reinforcements), and
—    elastomers (with or without fillers, fibres or reinforcements).
The ISO 11357 series is applicable for the observation and measurement of various properties of, and phenomena associated with, the above-mentioned materials, such as
—    physical transitions (glass transition, phase transitions such as melting and crystallization, polymorphic transitions, etc.),
—    chemical reactions (polymerization, crosslinking and curing of elastomers and thermosets, etc.),
—    the stability to oxidation, and
—    the heat capacity.
This document specifies a number of general aspects of differential scanning calorimetry, such as the principle and the apparatus, sampling, calibration and general aspects of the procedure and test report common to all parts.
Details on performing specific methods are given in subsequent parts of the ISO 11357 series (see Foreword).

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ISO
ISO 293:2023(Main)
Plastics — Compression moulding of test specimens of thermoplastic materials

This document specifies the general principles and the procedures to be followed with thermoplastics in the preparation of compression-moulded test specimens, and sheets from which test specimens can be machined or stamped. NOTE In order to obtain mouldings in a reproducible state, the main steps of the procedure, including eight different cooling methods, are standardized. For each material, the required moulding temperature and cooling methods are given in the appropriate International Standard for the material or as agreed between the interested parties. This document is not applicable to reinforced thermoplastics.

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SIST
SIST EN ISO 11337:2023(Main)
Plastics - Polyamides - Determination of ε-caprolactam and ω-laurolactam by gas chromatography (ISO 11337:2023)
EN ISO 11337:2023

ISO 11337:2010 specifies a method for determining epsilon‑caprolactam and omega‑laurolactam in polyamides by gas chromatography. It is suitable particularly for the determination of epsilon‑caprolactam in polyamide 6 and omega‑laurolactam in polyamide 12. Bearing in mind that gas chromatography offers a wide range of possible conditions, the method specified is that shown to have been suitable in practice.
Two variants of the basic method are specified:
Method A is an extraction method with boiling methanol, and the extract is injected into a gas chromatograph.
Method B is a method using a solvent, and the solution is injected into a gas chromatograph.

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ISO
ISO 11357-1:2023(Main)
Plastics — Differential scanning calorimetry (DSC) — Part 1: General principles

The ISO 11357 series specifies several differential scanning calorimetry (DSC) methods for the thermal analysis of polymers and polymer blends, such as — thermoplastics (polymers, moulding compounds and other moulding materials, with or without fillers, fibres or reinforcements), — thermosets (uncured or cured materials, with or without fillers, fibres or reinforcements), and — elastomers (with or without fillers, fibres or reinforcements). The ISO 11357 series is applicable for the observation and measurement of various properties of, and phenomena associated with, the above-mentioned materials, such as — physical transitions (glass transition, phase transitions such as melting and crystallization, polymorphic transitions, etc.), — chemical reactions (polymerization, crosslinking and curing of elastomers and thermosets, etc.), — the stability to oxidation, and — the heat capacity. This document specifies a number of general aspects of differential scanning calorimetry, such as the principle and the apparatus, sampling, calibration and general aspects of the procedure and test report common to all parts. Details on performing specific methods are given in subsequent parts of the ISO 11357 series (see Foreword).

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ISO 11359-1:2023(Main)
Plastics — Thermomechanical analysis (TMA) — Part 1: General principles

This document specifies the general conditions for the thermomechanical analysis of thermoplastics and thermosetting materials, filled or unfilled, in the form of sheet or moulded parts. Thermomechanical analysis consists of the determination of deformations of a test specimen under constant load as a function of temperature and/or time.

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CEN
EN ISO 11337:2023(Main)
Plastics - Polyamides - Determination of ε-caprolactam and ω-laurolactam by gas chromatography (ISO 11337:2023)
SIST EN ISO 11337:2023

This document specifies a method for determining ε‑caprolactam and ω‑laurolactam in polyamides by gas chromatography. It is applicable particularly to the determination of ε‑caprolactam in polyamide 6 and ω‑laurolactam in polyamide 12.
Two variants of the basic method are specified.
—    Method A is an extraction method with boiling methanol, and the extract is injected into a gas chromatograph.
—    Method B is a method using a solvent, and the solution is injected into a gas chromatograph.

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ISO
ISO 5677:2023(Main)
Testing and characterization of mechanically recycled polypropylene (PP) and polyethylene (PE) for intended use in different plastics processing techniques

This document specifies test methods for assessing important properties of mechanically recycled polypropylene [PP (REC)] and polyethylene [PE (REC)] in granular or pellet form for use in conventional plastics processing techniques. General guidance is provided for determining the characteristics of PP (REC) and PE (REC), which can be used at 100 % or in a proportion with standard (virgin) material grades available for processing on machines such as injection moulding, blow moulding, types of extrusion techniques, etc. This document intends to help plastics processors and end users who intend to use recyclates with agreement on product specifications, as applicable. Country specific health and food-safety and environment related regulations for use of plastics recyclates are not in the scope of this document. Mixture of recyclates of PP and PE is not in the scope of this document.

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CEN
EN ISO 16396-2:2022(Main)
Plastics - Polyamide (PA) moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties (ISO 16396-2:2022)
SIST EN ISO 16396-2:2022

This document specifies the methods of preparation of test specimens and the test methods to be used in determining the properties of polyamide moulding and extrusion materials. It gives the requirements for handling test material and for conditioning both the test material before moulding and the specimens before testing.
This document specifies procedures and conditions for the preparation of test specimens and procedures for measuring properties of the materials from which these specimens are made are given. It lists the properties and test methods that are suitable and necessary to characterize polyamide moulding and extrusion materials.
The properties have been selected from the general test methods in ISO 10350‑1. Other test methods in wide use for, or of particular significance to, these moulding and extrusion materials are also included in this document, as are the designatory properties viscosity number and tensile modulus given in ISO 16396‑1.

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CEN
EN ISO 1133-1:2022(Main)
Plastics - Determination of the melt mass-flow rate (MFR) and melt volume-flow rate (MVR) of thermoplastics - Part 1: Standard method (ISO 1133-1:2022)
SIST EN ISO 1133-1:2022

This document specifies two procedures for the determination of the melt mass-flow rate (MFR) and
the melt volume-flow rate (MVR) of thermoplastic materials under specified conditions of temperature
and load. Procedure A is a mass-measurement method. Procedure B is a displacement-measurement
method. Normally, the test conditions for measurement of melt flow rate are specified in the material
standard with a reference to this document. The test conditions normally used for thermoplastics are
listed in Annex A.
The MVR is particularly useful when comparing materials of different filler content and when
comparing filled with unfilled thermoplastics. The MFR can be determined from MVR measurements,
or vice versa, provided the melt density at the test temperature is known.
This document is also possibly applicable to thermoplastics for which the rheological behaviour is
affected during the measurement by phenomena such as hydrolysis (chain scission), condensation and
cross-linking, but only if the effect is limited in extent and only if the repeatability and reproducibility
are within an acceptable range. For materials which show significantly affected rheological behaviour
during testing, this document is not appropriate. In such cases, ISO 1133-2 applies.
NOTE The rates of shear in these methods are much smaller than those used under normal conditions of
processing, and therefore it is possible that data obtained by these methods for various thermoplastics will not
always correlate with their behaviour during processing. Both methods are used primarily in quality control.

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ISO
ISO 13741-1:2023(Main)
Plastics/rubber — Determination of residual monomers and other organic components by capillary-column gas chromatography — Part 1: Direct liquid injection method

This document specifies a method for the determination of residual monomers and other (saturated) organic components in aqueous polymer dispersions and latices as well as in related products. It makes use of capillary-column gas chromatography with direct injection of the liquid sample. Residual monomers and saturated volatiles that have been successfully determined by this method include acrylic and methacrylic esters, acrylonitrile, butadiene, styrene, vinyl acetate, vinyl chloride as well as by-products such as acetaldehyde and ethylbenzene.

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SIST
SIST EN ISO 1675:2023(Main)
Plastics - Liquid resins - Determination of density by the pycnometer method (ISO 1675:2022)
EN ISO 1675:2022

This document specifies a method for the determination of the density of liquid resins using a pycnometer.

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SIST
SIST-TP CEN/TR 17910:2023(Main)
Biodegradable plastics - Status of standardization and new prospects
CEN/TR 17910:2022

This document summarizes the state of standardization in the field of biodegradable plastics and plastics products at CEN and ISO level. It explains the underlying scientific principles of biodegradation that provide the foundations for relevant test methods and enters into the merits of the individual tests to explain and clarify the reasons for the adoption of specific solutions and criteria.
In a second part, this document highlights areas where standardisation in this field is currently lacking and where future developments may be anticipated and useful.

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SIST
SIST EN ISO 6401:2023(Main)
Plastics - Poly(vinyl chloride) - Determination of residual vinyl chloride monomer using gas-chromatographic method (ISO 6401:2022)
EN ISO 6401:2022

ISO 6401:2008 specifies a method for the determination of vinyl chloride monomer in homopolymer and copolymer resins of vinyl chloride and compounded materials. The method is based on sample dissolution and headspace gas chromatography. Concentrations of vinyl chloride in the range 0,1 mg/kg to 3,0 mg/kg can be determined.
A "dry method", suitable for PVC resins but not compounded materials, is widely used within the industry for in-house determinations. A separate International Standard based on this methodology is under development.

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