This document establishes a nomenclature system for thermoplastic elastomers based on the chemical composition of the polymer or polymers involved. It specifies symbols and abbreviated terms used to identify thermoplastic elastomers in industry, commerce, and government. It is not intended to conflict with, but to supplement, existing trade names and trademarks.
NOTE 1   The name of the thermoplastic elastomer is intended to be used in technical papers and presentations followed by the abbreviated term used to designate the elastomer in this document.
NOTE 2   Annex A gives thermoplastic-elastomer abbreviated terms that have been used in the past in materials standards, technical bulletins, textbooks, patents, and trade literature.

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This document specifies general conditions for the analysis of polymers using thermogravimetric techniques. It is applicable to liquids or solids. Solid materials can be in the form of pellets, granules or powders. Fabricated shapes reduced to appropriate specimen size can also be analysed by this method.
This document establishes methods for the investigation of physical effects and chemical reactions that are associated with changes of mass.
This document can be used to determine the temperature(s) and rate(s) of decomposition of polymers, and to measure at the same time the amounts of volatile matter, additives and/or fillers they contain.
This document is applicable to measurements in dynamic mode (mass change versus temperature or time under programmed temperature conditions) or isothermal mode (mass change versus time at constant temperature).
This document is applicable to measurements at different testing atmospheres, such as separation of decomposition in an inert atmosphere from oxidative degradation.

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This document specifies two methods for evaluating the melting behaviour of semi-crystalline
polymers.
a) Method A: Capillary tube
This method is based on the changes in shape of the polymer. It is applicable to all semi-crystalline
polymers and their compounds.
NOTE 1 Method A can also be useful for the evaluation of the softening of non-crystalline solids.
b) Method B: Polarizing microscope
This method is based on changes in the optical properties of the polymer. It is applicable to polymers
containing a birefringent crystalline phase. It might not be suitable for plastics compounds containing
pigments and/or other additives which can interfere with the birefringence of the polymeric crystalline
zone.
NOTE 2 Another method applicable to semi-crystalline polymers is described in ISO 11357-3.

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This document specifies two methods (isothermal and non-isothermal) for studying the crystallization
kinetics of partially crystalline polymers using differential scanning calorimetry (DSC).
It is only applicable to molten polymers.
NOTE These methods are not suitable if the molecular structure of the polymer is modified during the test.

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This document specifies two test methods for determining the refractive index of plastics, namely:
—    Method A: a refractometric method for measuring the refractive index of moulded parts, cast or extruded sheet or film, by means of a refractometer. It is applicable not only to isotropic transparent, translucent, coloured or opaque materials but also to anisotropic materials.
—    Method B: an immersion method (making use of the Becke line phenomenon) for determining the refractive index of powdered or granulated transparent materials by means of a microscope. Monochromatic light, in general, is used to avoid dispersion effects.
NOTE      The refractive index is a fundamental property which can be used for checking purity and composition, for the identification of materials and for the design of optical parts. The change in refractive index with temperature can give an indication of transition points of materials.

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This document specifies the requirements for the laboratory testing of the resistivity of specially
prepared specimens of plastics rendered conductive by the inclusion of conductive fillers or suitable
modification of the structure. The test is applicable to materials of resistivity less than 106 Ω⋅cm
(104 Ω⋅m).
The result is not strictly a volume resistivity, because of surface conduction, but the effects of the latter
are generally negligible.

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This document specifies two categories of method for the determination of the vinyl acetate (VAC)
content of ethylene/vinyl acetate (EVAC) copolymer, for use in the designation of such copolymers
according to ISO 21301-1. One category is referred to as “reference methods”, the other as “test
methods”.
The “reference methods” are used to calibrate the method used for the determination of the vinyl
acetate content of ethylene/vinyl acetate copolymers.
The “test methods” are other methods which can be used for the determination if they are calibrated
using one of the reference methods described in Clause 4, provided they show a certain permissible
repeatability

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This document specifies a classification and designation system for a selection of the most common unfilled thermoplastic polymers for plain bearings.
The unfilled thermoplastic polymers are classified on the basis of appropriate levels of distinctive properties, additives and information about their application for plain bearings. The designation system does not include all properties; thermoplastic polymers having the same designation cannot therefore be interchanged in all cases.
It also provides an outline of the properties and applications of the most common unfilled thermoplastic polymers as well as listing some of the fundamental parameters that influence the selection of thermoplastic polymers for use for plain bearings.
NOTE     In the further course of the work, it is intended to prepare standards on “thermosetting polymers” and “mixed polymers” for plain bearings.

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This document specifies test methods for the determination of the degree of disintegration of plastic materials exposed to marine habitats under real field conditions.
The marine areas under investigation are the sandy sublittoral and the sandy eulittoral zone where plastic materials can either be placed intentionally (e.g. biodegradable fishing nets) or end up as litter due to irresponsible human behaviour. This depends on their physical characteristics, form and size of the materials, and on water currents and tidal movements.
This document specifies the general requirements of the apparatus, and the procedures for using the test methods described.
The determination of the level of disintegration of plastic materials exposed to pelagic zones such as the sea surface or the water column above the seafloor are not within the scope of this document.
This document is not suitable for the assessment of disintegration caused by heat or light exposure.
The described field test is a disintegration test and not a biodegradation test. Therefore, it cannot be used for demonstrating biodegradation or for making unqualified claims such as "biodegradable in marine environment" and similar.

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This document specifies the general principles and the system boundaries for the carbon and environmental footprint of biobased plastic products. It is an introduction and a guidance document to the other parts of the ISO 22526 series.
This document is applicable to plastic products and plastic materials, polymer resins, which are based from biobased or fossil-based constituents.

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This document defines the material carbon footprint as the amount (mass) of CO2 removed from the air and incorporated into plastic, and specifies a determination method to quantify it.
This document is applicable to plastic products, plastic materials and polymer resins that are partly or wholly based on biobased constituents.

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This document specifies requirements and guidelines for the quantification and reporting of the process carbon footprint of biobased plastics (see ISO 22526-1), being a partial carbon footprint of a bioplastic product, based on ISO 14067 and consistent with International Standards on life cycle assessment (ISO 14040 and ISO 14044).
This document is applicable to process carbon footprint studies (P-CFP) of plastic materials, being a partial carbon footprint of a product, whether or not the results are intended to be publicly available.
Requirements and guidelines for the quantification of a partial carbon footprint of a product (partial CFP) are provided in this document. The process carbon footprint study is carried out according to ISO 14067 as a partial carbon footprint, using the specific conditions and requirements specified in this document.
Where the results of a P-CFP study are reported according to this document, procedures are provided to support transparency and credibility, and also to allow for informed choices.
Offsetting is outside of the scope of this document.

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This document specifies a laboratory test method to determine the degree and rate of aerobic biodegradation level of plastic materials. This test method can also be applied to other materials.
Biodegradation is determined by measuring the CO2 evolved by the plastic material when exposed to marine sediments sampled from a sandy tidal zone and kept wet with salt-water under laboratory conditions.
This test method is a simulation under laboratory conditions of the habitat found in sandy tidal zone that, in marine science, is called eulittoral zone.
The conditions described in this document might not always correspond to the optimum conditions for the maximum degree of biodegradation to occur.
Deviations from the test conditions described in this document are justified in the test report.

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This document specifies a laboratory test method for determining the degree and rate of the aerobic biodegradation level of plastic materials. Biodegradation is determined by measuring the CO2 evolved from plastic materials when exposed to seawater sampled from coastal areas under laboratory conditions.
The conditions described in this document might not always correspond to the optimum conditions for the maximum degree of biodegradation, however this test method is designed to give an indication of the potential biodegradability of plastic materials.
NOTE This document addresses plastic materials but can also be used for other materials.

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This document specifies a laboratory test method for determining the degree and rate of the aerobic biodegradation level of plastic materials. Biodegradation of plastic materials is determined by measuring the oxygen demand in a closed respirometer when exposed to seawater sampled from coastal areas under laboratory conditions.
The conditions described in this document might not always correspond to the optimum conditions for the maximum degree of biodegradation, however this test method is designed to give an indication of the potential biodegradability of plastic materials.
NOTE This document addresses plastic materials but can also be used for other materials.

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This document specifies test methods and criteria for showing intrinsic biodegradability in marine environments of virgin plastic materials and polymers without any preliminary environmental exposure or pre-treatment.
Test methods applied in this document are carried out at temperatures in the mesophilic range under aerobic conditions and are aimed to show ultimate biodegradability, i.e. conversion into carbon dioxide, water and biomass.
This document neither assesses the constituents, such as regulated metals or substances hazardous to the environment, nor potential ecotoxic effects but intrinsic biodegradability only. These aspects will be considered in a separate standard covering the overall environmental impact of products intentionally or accidentally released in the marine environment.
This document does not cover the performance of products made from biodegradable plastic materials and biodegradable polymers. Lifetime and biodegradation rates in the sea of products made with biodegradable plastic materials are generally affected by the specific environmental conditions and by thickness and shape.
Although results might indicate that the tested plastic materials and polymers biodegrade under the specified test conditions at a certain rate, the results of any laboratory exposure cannot be directly extrapolated to marine environments at the actual site of use or leakage.
This document is not applicable for "marine biodegradable" claims of biodegradable plastic materials. For such purpose, see relevant product standards, if available.
The testing scheme specified in this document does not provide sufficient information for determining the specific biodegradation rate (i.e. the rate per available surface area) of the material under testing. For such purpose, see relevant standards about specific biodegradation rate, if available.

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This document specifies a classification and designation system for a selection of the most common unfilled thermoplastic polymers for plain bearings. The unfilled thermoplastic polymers are classified on the basis of appropriate levels of distinctive properties, additives and information about their application for plain bearings. The designation system does not include all properties; thermoplastic polymers having the same designation cannot therefore be interchanged in all cases. It also provides an outline of the properties and applications of the most common unfilled thermoplastic polymers as well as listing some of the fundamental parameters that influence the selection of thermoplastic polymers for use for plain bearings. NOTE     In the further course of the work, it is intended to prepare standards on “thermosetting polymers” and “mixed polymers” for plain bearings.

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This document specifies a test method, using thermodilatometry[1], for the determination of the coefficient of linear thermal expansion of plastics in a solid state by thermomechanical analysis (TMA). This document also specifies the determination of the glass transition temperature using TMA. NOTEÂ Â Â Â Â Â The coefficient of linear thermal expansion can be measured using various types of thermodilatometry apparatus. This document concerns only TMA apparatus.

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This document specifies a method for the measurement of haze, an optical property resulting from wide-angle scattering of light, in transparent and substantially colourless plastics. This method is applicable to the measurement of haze values of less than 40Â %. NOTEÂ Â Â Â Â The haze of abraded or matted transparent plastics can be measured, but the value obtained can be erroneously lower than the true value due to light scattering within a narrow angle.

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This document provides uniform symbols for flame retardants added to plastics materials.

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This document provides uniform symbols for flame retardants added to plastics materials.

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This document specifies a method, by measuring the amount of carbon dioxide evolved, for the
determination of the degree of aerobic biodegradability of plastic materials, including those containing
formulation additives. The test material is exposed in a synthetic medium under standardized
laboratory conditions to an inoculum from activated sludge under aerobic conditions.
The conditions used in this document do not necessarily correspond to the optimum conditions allowing
maximum biodegradation to occur, but this test method is designed to measure the biodegradation of
plastic materials and give an indication of their potential biodegradability.
The method enables the assessment of the biodegradation to be improved by calculating a carbon
balance (optional, see Annex C).
The method applies to the following materials:
— natural and/or synthetic polymers, copolymers or mixtures thereof;
— plastic materials which contain additives such as plasticizers, colorants or other compounds;
— water-soluble polymers;
— materials which, under the test conditions, do not inhibit the microorganisms present in the
inoculum. Inhibitory effects can be determined using an inhibition control or by another appropriate
method (see, for example, ISO 8192[1]). If the test material is inhibitory to the inoculum, a lower test
concentration, another inoculum or a pre-exposed inoculum can be used.

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This document specifies test procedures for the acquisition and presentation of multipoint data which
demonstrate the behaviour of plastics under the following environments:
— prolonged exposure to heat;
— liquid chemicals;
— environmental stress cracking under a constant tensile stress;
— artificial weathering.
The tests are listed in order of increasing severity of the environment. By testing under the least severe
environments first, it is possible to make informed judgements regarding whether tests under more
severe conditions are worthwhile.

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This document specifies test procedures for the acquisition and presentation of multipoint data on the
following mechanical properties of plastics:
— dynamic modulus;
— tensile properties at constant test speed;
— ultimate stress and strain;
— tensile stress-strain curves;
— tensile creep;
— Charpy impact strength;
— puncture impact behaviour.
The test methods and test conditions apply predominantly to those plastics that can be injection- or
compression-moulded or prepared as sheets of specified thickness from which specimens of the
appropriate size can be machined.

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This document covers the determination of the total luminous transmittance, in the visible region of
the spectrum, of planar transparent plastics and substantially colourless plastics, using a double-beam
scanning spectrophotometer. This document cannot be used for plastics which contain fluorescent
materials.
This document is applicable to transparent moulding materials, films and sheets not exceeding 10 mm
in thickness.
NOTE 1 Total luminous transmittance can also be determined by a single-beam instrument as in ISO 13468-1.
NOTE 2 Substantially colourless plastics include those which are faintly tinted.
NOTE 3 Specimens more than 10 mm thick can be measured provided the instrument can accommodate them,
but the results cannot be comparable with those obtained using specimens less than 10 mm thick.

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This document specifies a method, by measuring the amount of carbon dioxide evolved, for the determination of the degree of aerobic biodegradability of plastic materials, including those containing formulation additives. The test material is exposed in a synthetic medium under standardized laboratory conditions to an inoculum from activated sludge under aerobic conditions. The conditions used in this document do not necessarily correspond to the optimum conditions allowing maximum biodegradation to occur, but this test method is designed to measure the biodegradation of plastic materials and give an indication of their potential biodegradability. The method enables the assessment of the biodegradation to be improved by calculating a carbon balance (optional, see Annex C). The method applies to the following materials: —   natural and/or synthetic polymers, copolymers or mixtures thereof; —   plastic materials which contain additives such as plasticizers, colorants or other compounds; —   water-soluble polymers; —   materials which, under the test conditions, do not inhibit the microorganisms present in the inoculum. Inhibitory effects can be determined using an inhibition control or by another appropriate method (see, for example, ISO 8192[1]). If the test material is inhibitory to the inoculum, a lower test concentration, another inoculum or a pre-exposed inoculum can be used.

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This document specifies test procedures for the acquisition and presentation of multipoint data which demonstrate the behaviour of plastics under the following environments: —   prolonged exposure to heat; —   liquid chemicals; —   environmental stress cracking under a constant tensile stress; —   artificial weathering. The tests are listed in order of increasing severity of the environment. By testing under the least severe environments first, it is possible to make informed judgements regarding whether tests under more severe conditions are worthwhile.

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This document specifies test procedures for the acquisition and presentation of multipoint data on the following mechanical properties of plastics: —   dynamic modulus; —   tensile properties at constant test speed; —   ultimate stress and strain; —   tensile stress-strain curves; —   tensile creep; —   Charpy impact strength; —   puncture impact behaviour. The test methods and test conditions apply predominantly to those plastics that can be injection- or compression-moulded or prepared as sheets of specified thickness from which specimens of the appropriate size can be machined.

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This document specifies the general principles of rotational and oscillatory rheometry.
Detailed information is presented in Annex A. Further background information is covered in subsequent
parts of the ISO 3219 series, which are currently in preparation.

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This document specifies general terms and definitions that are used in the context of rotational and
oscillatory rheometry.
Further terms and definitions can be found in the other parts of the ISO 3219 series where they are
used.

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This document specifies test methods for the measurement of the physical degradation of samples made with plastics materials when exposed to marine environmental matrices under aerobic conditions at laboratory scale. This document is not suitable for the assessment of degradation caused by heat (thermo-degradation) or light exposure (photo-degradation).

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This document covers the determination of the total luminous transmittance, in the visible region of the spectrum, of planar transparent plastics and substantially colourless plastics, using a double-beam scanning spectrophotometer. This document cannot be used for plastics which contain fluorescent materials. This document is applicable to transparent moulding materials, films and sheets not exceeding 10Â mm in thickness. NOTEÂ 1Â Â Total luminous transmittance can also be determined by a single-beam instrument as in ISOÂ 13468-1. NOTEÂ 2Â Â Substantially colourless plastics include those which are faintly tinted. NOTEÂ 3Â Â Specimens more than 10Â mm thick can be measured provided the instrument can accommodate them, but the results cannot be comparable with those obtained using specimens less than 10Â mm thick.

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This document provides quality levels for imperfections in thermoplastics welded joints. It applies to material thickness above 2,0 mm.
Three quality levels are given in order to permit application for a wide range of welded fabrication. They are designated by symbols B, C and D, where B is the most stringent. The quality levels refer to production quality and not to the fitness-for-purpose (see 3.2) of the manufactured product.
This document applies to the following thermoplastic materials in Table 1:
Table 1 - Thermoplastic materials
Abbreviation   Material description
ABS   Acrylonitrile-butadiene-styrene plastic
ECTFE   Ethylene-chlorotrifluoroethylene copolymer
FEP   Fluorinated ethylene propylene
PA-U        Unplasticized Polyamide
PB   Polybutylene
PE   Polyethylene
PFA   Perfluoroalkoxy
PP-B   Polypropylene block copolymer
PP-H   Polypropylene homopolymer
PP-R   Polypropylene random copolymer
PVC-C   Chlorinated polyvinyl chloride
PVC-U   Unplasticised polyvinyl chloride (rigid PVC)
PVDF   Polyvinylidene fluoride
and to the following welding processes:
-   heated tool welding;
-   electrofusion welding;
-   hot gas welding using filler rod only;
-   extrusion welding;
-   solvent welding of pipes.

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This document defines a method of specifying delivery conditions for polyethylene (PE) recyclates.
It gives the most important characteristics and associated test methods for assessing PE recyclates intended for use in the production of semi-finished/finished products.
It is intended to support parties involved in the use of recycled PE to agree on specifications for specific and generic applications.
This document is applicable without prejudice to any existing legislation.
This document does not cover the characterization of plastics wastes (see EN 15347).

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This document specifies a procedure for the determination of an elasticity index based on measurements of the shear storage modulus using oscillatory rheometers, establishes general principles, and gives guidelines for performance of measurements. The elasticity index is applicable to all thermoplastics and viscoelastic materials for which the elastic behaviour is a crucial application property.

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This document specifies a method for the separation of overlapping thermal transitions of plastics related to reversing and non-reversing heat flow rate, using temperature modulated differential scanning calorimetry.

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This document specifies a method for determination by melt filtration of solid contaminants content in a sample of recycled thermoplastic material, evaluating their number and, optionally, their size and substance (material).

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This document specifies the general principles of rotational and oscillatory rheometry. Detailed information is presented in Annex A. Further background information is covered in subsequent parts of the ISO 3219 series, which are currently in preparation.

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This document specifies general terms and definitions that are used in the context of rotational and oscillatory rheometry. Further terms and definitions can be found in the other parts of the ISOÂ 3219 series where they are used.

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This document defines a test method used to determine the degree of disintegration of plastic materials
in a pilot-scale aerobic composting test under defined conditions. It forms part of an overall scheme for
the evaluation of the industrial compostability of plastics as outlined in ISO 17088.
The test method laid down in this document is also used to determine the influence of the test material
on the composting process and the quality of the compost obtained. This test method cannot be used to
determine the aerobic biodegradability of a test material.
NOTE Other methods are available for this test (for example, see ISO 14851, ISO 14852 or ISO 14855-1 and
ISO 14855-2).

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This document specifies procedures and requirements for plastics, and products made from plastics, that are suitable for recovery through organic recycling. The four following aspects are addressed: a) disintegration during composting; b) ultimate aerobic biodegradation; c) no adverse effects of compost on terrestrial organisms; d) control of constituents. These four aspects are suitable to assess the effects on the industrial composting process. This document is intended to be used as the basis for systems of labelling and claims for compostable plastics materials and products. This document does not provide information on requirements for the biodegradability of plastics which end up in the environment as litter. It is also not applicable to biological treatment undertaken in small installations by householders. NOTE 1   The recovery of compostable plastics through composting can be carried out under the conditions found in well-managed industrial composting processes, where the temperature, water content, aerobic conditions, carbon/nitrogen ratio and processing conditions are optimized. Such conditions are generally obtained in industrial and municipal composting plants. Under these conditions, compostable plastics disintegrate and biodegrade at rates comparable to yard trimmings, kraft paper bags and food scraps. NOTE 2   “Compostable” or “compostable in municipal and industrial composting facilities” are expressions considered to be equivalent to organically recyclable for the purposes of this document.

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This document specifies the continuous measurement method of shrinkage for thermosetting resin and/or UV curable resin.

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This document defines the general conditions for the determination of the reduced viscosity, intrinsic
viscosity and K‑value of organic polymers in dilute solution. It defines the standard parameters that are
applied to viscosity measurement.
This document is used to develop standards for measuring the viscosities in solution of individual types
of polymer. It is also used to measure and report the viscosities of polymers in solution for which no
separate standards exist.

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This document describes a method for defining requirements for plastic materials used in extrusion-based additive manufacturing (AM) processes. Materials include unfilled, filled, and reinforced plastic materials suitable for processing into parts. These materials can also contain special additives (e.g. flame retardants, stabilizers, etc.). Processes include all material extrusion-based AM processes.
This document is intended for use by manufacturers of materials, feedstocks, plastic parts or any combination of the three using material extrusion-based AM.
NOTE In some cases, material manufacturers can also be feedstock manufacturers. In other cases, a material manufacturer can supply materials (example: pellets) to a feedstock manufacturer (example: converter of pellets into filaments).
This document does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health, and environmental practices and determine the applicability of regulatory limitations prior to use.

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This document specifies the general principles of a method for determining the transient extensional viscosity of polymer melts. The procedure details the measurement of polymer melt specimens stretched uniaxially under conditions of constant strain rate and constant temperature. The method is capable of measuring the transient extensional viscosity of polymer melts at Hencky strain rates typically in the range 0,01 s–1 to 1 s–1, at Hencky strains up to approximately 4 and at temperatures up to approximately 250 °C (see NOTEs 1 and 2). It is suitable for measuring transient extensional viscosity values typically in the range from approximately 104 Pa⋅s to 107 Pa⋅s (see NOTE 3). NOTE 1  Hencky strains and strain rates are used (see Clause 3). NOTE 2  Values of strain, strain rate and temperature outside these limiting values can be attained. NOTE 3  The operating limit of an instrument, in terms of the lowest transient extensional viscosity values that can be measured, is due to a combination of factors, including the ability of the specimen to maintain its shape during testing and the resolution of the instrument.

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This document specifies a test method for determining the minimum volume fraction of oxygen, in admixture with nitrogen, at ambient temperature, that supports combustion of small vertical sheet test specimen under a specified gas velocity that is higher than that specified in ISOÂ 4589-2. NOTEÂ Â Â Â Â Â Â Â Â Â Â The result is expressed as a high gas velocity oxygen index (HOI). In addition, this document specifies the testing apparatus for determining the HOI. The test method is applicable to materials in the form of sheets up to 2Â mm thick. It is also applicable to flexible sheet materials that are supported vertically by a specified specimen holder.

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This document establishes a method for determination of the thermal conductivity of solid unfilled and
filled or fibre reinforced plastics and composites by means of differential scanning calorimetry (DSC).
It is applicable for materials with thermal conductivities of up to 1 W/(m⋅K).

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This document specifies a bending-vibration method based upon resonance curves for determining the
flexural complex modulus Ef
* of homogeneous plastics and the damping properties of laminated
plastics intended for acoustic insulation, for example systems consisting of a metal sheet coated with a
damping plastic layer, or sandwich systems consisting of two sheet-metal layers with an intermediate
plastic layer. For many purposes, it is useful to determine these properties as a function of temperature
and frequency.

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