CEN/TC 249 - Plastics

This document specifies a method for the direct exposure of plastics to solar radiation (method A) and a method for the exposure of plastics to glass-filtered solar radiation (exposure behind window glass) (method B). The purpose is to assess property changes produced after specified stages of such exposures.
General guidance concerning the scope of the ISO 877 series[1] is given in ISO 877-1.

This document is the general part of the series that describes the designation system for plastic recyclates.
This document is dealing with recyclates after the recycling operation and prior to converting and compounding (when applicable). It is dealing with preparation of samples and determination of properties.
NOTE 1   This document supports the underlaying standards of this series that, per polymer type, provide an overview of the relevant characteristics and typical values for recyclates for use in certain application groups (product families) in combination with the relevant converting technologies.
NOTE 2   The overview of the relevant properties is based on and further extends the relevant properties given in EN ISO 10350 1.

This document provides characteristics and typical values for acrylonitrile-butadiene-styrene (ABS) recyclates intended for groups of defined applications (the product families).
The characteristics and typical values for the different product families are derived from the performance requirements of the products belonging to that family, including requirements for product manufacturing processes where applicable.
This document applies to plastic recyclates intended to be used for the manufacturing of (intermediate) products.
This document is intended to be used in conjunction with part 1 of this standard series, which describes the designation system for plastic recyclates. The designation system allows comparison between recycled and virgin material at the level of the polymer’s defined designatory properties.
NOTE 1   Examples of designations of plastic recyclates are given in Annex A.
NOTE 2   The selection of properties for a product family is based on EN ISO 10350 1, extended with specific properties related to plastic recyclates.

This document provides characteristics and typical values for polyethylene (PE) recyclates intended for groups of defined applications (the product families).
The characteristics and typical values for the different product families are derived from the performance requirements of the products belonging to that family, including requirements for product manufacturing processes where applicable.
This document applies to plastic recyclates intended to be used for the manufacturing of (intermediate) products.
This document is intended to be used in conjunction with part 1 of this standard series, which describes the designation system for plastic recyclates. The designation system allows comparison between recycled and virgin material at the level of the polymer's defined designatory properties.
NOTE 1   Examples of designations of plastic recyclates are given in Annex A.
NOTE 2   The selection of properties for a product family is based on EN ISO 10350 1, extended with specific properties related to plastic recyclates.

This document provides characteristics and typical values for polypropylene (PP) recyclates intended for groups of defined applications (the product families).
The characteristics and typical values for the different product families are derived from the performance requirements of the products belonging to that family, including requirements for product manufacturing processes where applicable.
This document applies to plastic recyclates intended to be used for the manufacturing of (intermediate) products.
This document is intended to be used in conjunction with part 1 of this standard series, which describes the designation system for plastic recyclates. The designation system allows comparison between recycled and virgin material at the level of the polymer’s defined designatory properties.
NOTE 1   Examples of designations of plastic recyclates are given in Annex A.
NOTE 2   The selection of properties for a product family is based on EN ISO 10350 1, extended with specific properties related to plastic recyclates.

This document provides characteristics and typical values for polystyrene (PS) recyclates intended for groups of defined applications (the product families).
The characteristics and typical values for the different product families are derived from the performance requirements of the products belonging to that family, including requirements for product manufacturing processes where applicable.
This document applies to plastic recyclates intended to be used for the manufacturing of (intermediate) products.
This document is intended to be used in conjunction with part 1 of this standard series, which describes the designation system for plastic recyclates. The designation system allows comparison between recycled and virgin material at the level of the polymer’s defined designatory properties.
NOTE 1   Examples of designations of plastic recyclates are given in Annex A.
NOTE 2   The selection of relevant properties for a product family is based on EN ISO 10350 1, extended with specific properties related to plastic recyclates.

This document provides characteristics and typical values for poly(vinyl chloride) (PVC) recyclates intended for groups of defined applications (the product families).
The characteristics and typical values for the different product families are derived from the performance requirements of the products belonging to that family, including requirements for product manufacturing processes where applicable.
This document applies to plastic recyclates intended to be used for the manufacturing of (intermediate) products.
This document is intended to be used in conjunction with part 1 of this standard series, which describes the designation system for plastic recyclates. The designation system allows comparison between recycled and virgin material at the level of the polymer’s defined designatory properties.
NOTE 1   Examples of designations of plastic recyclates are given in Annex A.
NOTE 2   The selection of properties for a product family is based on EN ISO 10350 1, extended with specific properties related to plastic recyclates.

This document provides characteristics and typical values for poly(ethylene terephthalate) (PET) recyclates intended for groups of defined applications (the product families).
The characteristics and typical values for the different product families are derived from the performance requirements of the products belonging to that family, including requirements for product manufacturing processes where applicable.
This document applies to plastic recyclates intended to be used for the manufacturing of (intermediate) products.
This document is intended to be used in conjunction with part 1 of this standard series, which describes the designation system for plastic recyclates. The designation system allows comparison between recycled and virgin material at the level of the polymer's defined designatory properties.
NOTE 1   Examples of designations of plastic recyclates are given in the Annex A.
NOTE 2   The selection of properties for a product family is based on EN ISO 10350 1, extended with specific properties related to plastic recyclates.

This document specifies a method for the determination of the compression stress/strain characteristics of low-density flexible cellular materials up to 250 kg/m3. It also specifies a method for the calculation of the compression stress value of such materials.

This document specifies the requirements for dimensional, mechanical, oxygen transmission rate and optical characteristics of thermoplastic stretch films for wrapping bales used for ensiling of forage. It specifies a measurement for solar reflectance of the films.
This document specifies also test methods to check these requirements.
This document is applicable to white, black, or coloured films based on polyethylene materials. It covers the width range from 250 mm up to 1 500 mm.
The performances of the stretch films in conformance with this document are based on the use of at least six layers of films, pre-stretched at a ratio between 60 % and 70 % for round bales and a ratio of 55 % and 65 % for wrapping square bales.
This document also gives guidance for design for recycling.

This document specifies methods for the determination of components in plastics that can be extracted by hot organic liquids near their boiling points. It also specifies a special extraction method called cold-extraction.
The extractable components can be monomers, oligomers, polymers, plasticizers, stabilizers, etc. The kind and percentage of extractable matter influence the properties of plastics.
This document does not apply to plastics that come into contact with food or drinking water, because special regulations for those plastics are established in many countries. The methods of this document are not intended to be used for migration tests.
If this document is used to test plastics other than those mentioned in Table 1, the operating conditions are intended to be agreed upon by the interested parties.

This document specifies laboratory procedures which are intended to imitate the effects of naturally occurring reactions such as oxidation or hydrolysis by humidity for flexible and rigid cellular polymeric materials.

This document specifies three methods for the determination of the density of non-cellular plastics in the form of void-free moulded or extruded objects, as well as powders, flakes and granules.
—     Method A: Immersion method, for solid plastics (except for powders) in void-free form.
—     Method B: Liquid pycnometer method, for particles, powders, flakes, granules or small pieces of finished parts.
—     Method C: Titration method, for plastics in any void-free form.
NOTE            Density is frequently used to follow variations in physical structure or composition of plastic materials. Density can also be useful in assessing the uniformity of samples or specimens. Often, the density of plastic materials depend upon the choice of specimen preparation method. When this is the case, precise details of the specimen preparation method are intended to be included in the appropriate material specification. This note is applicable to all three methods.
Annex C provides further information for calculating the volume of the specimen used for the determination of the density in the case that method A (the immersion method) is applied.

This document specifies the main characteristics and associated test methods for assessing of polyethylene (PE) recyclates intended for use in the production of semi-finished or finished products.
It is intended to support parties involved in the use of PE recyclates to agree on specifications for specific and generic applications.
This document does not cover the characterization of plastics wastes, which is covered by the EN 15347 series, neither traceability topics which are covered by EN 15343.

1.1        This document specifies the test conditions for determining the tensile properties of moulding and extrusion plastics, based upon the general principles given in ISO 527-1.
1.2        The methods are selectively suitable for use with the following range of materials in the preferred thickness, or, in case of specimen machined from moulded parts in the thickness as moulded:
—          rigid and semi-rigid thermoplastics moulding, extrusion and cast materials, including compounds filled and reinforced by, for example, short fibres, small rods, plates or granules but excluding textile fibres (see ISO 527-4 and ISO 527-5).
NOTE   See ISO 527-1:2019, Clause 3 for the definition of "rigid" and "semi-rigid".
—          rigid and semi-rigid thermosetting moulding and cast materials, including filled and reinforced compounds but excluding textile fibres as reinforcement (see ISO 527-4 and ISO 527-5);
—          thermotropic liquid crystal polymers.
The methods are not normally suitable for use with rigid cellular materials or sandwich structures containing cellular material. For rigid cellular materials, see ISO 1926.
The methods are not suitable for flexible films and sheets, of thickness smaller than 1 mm, see ISO 527-3.
1.3        The methods are applied using specimens which can be either moulded to the chosen dimensions or machined, cut or punched from injection‑ or compression‑moulded plates. The multipurpose test specimen is preferred (see ISO 20753).

This document specifies methods for the determination of oxidation induction time (isothermal OIT) and oxidation induction temperature (dynamic OIT) of polymeric materials by means of differential scanning calorimetry (DSC). It is applicable to polyolefin resins that are in a fully stabilized or compounded form, either as raw materials or finished products. It can be applicable to other plastics.

This document specifies the main characteristics and associated test methods for assessing of acrylonitrile-butadiene-styrene (ABS) recyclates intended for use in the production of semi-finished/finished products.
It is intended to support parties involved in the use of ABS recyclates (rABS) to agree on specifications for specific and generic applications.
This document does not cover the characterization of plastic wastes, which is covered by the EN 15347 series, neither traceability topics which are covered by EN 15343.

This document applies to unplasticized poly(vinyl chloride) (PVC-U) profiles that are intended to be used for the fabrication of windows and doors in accordance with the EN 14351 series or EN 16034, shutters according to EN 13659 and other construction profiles in accordance with the EN 13245 series. Furthermore, this document is also applicable for profiles used in other PVC-U products, which can include recyclates. This document gives references and specifies general and product-specific design for recycling principles.
NOTE 1   In this document, the term “PVC-U profiles” is used to refer to construction profiles made from PVC-U, PVC-UE, and PVC-U-based natural fibre composites (NFC).
NOTE 2   For editorial reasons in this document the term window is used for window/door.
Criteria for the use of materials, process conditions, and recyclability are defined, which are considered during the design process.
This document defines principles to
-   obtain the highest possible share of recyclability of the PVC-U part in the profile, and
-   increase the share of PVC-U recyclate in the profile,
while complying with requirements for the final product, where existent and defined elsewhere. This document establishes flowcharts which help to assess, (i) how recyclability is evaluated and (ii) whether inclusion of rPVC-U is possible.
The following components of the final PVC-U construction product are considered in this document:
-   profiles;
-   reinforcements;
-   gaskets;
-   insulations;
-   coverings.
This document specifies only the technical connection of the profile to other components (such as glazing or hardware) and their impact on the recyclability of the PVC-U profiles. The recyclability of the other components (e.g. glazing, aluminium cover, hardware) is excluded from this document.
NOTE 3   Examples for profiles included in this document and their intended use can be found in Figure 1.
Figure 1 - Examples for profiles included in this document and their intended use (frame and sash profile with reinforcements, window, door, cladding and shutter box with shutter)

This document specifies the main characteristics and associated test methods for assessing of polypropylene (PP) recyclates intended for use in the production of semi-finished/finished products.
It is intended to support parties involved in the use of PP recyclates to agree on specifications for specific and generic applications.
This document does not cover the characterization of plastic wastes, which is covered by the EN 15347 series, neither traceability topics which are covered by EN 15343.

This document specifies a method for the determination of the temperatures and enthalpies of melting and crystallization of crystalline or partially crystalline plastics using conventional DSC as specified in ISO 11357-1.
This document is not applicable to fast DSC as specified in ISO 23976.

This document specifies the main characteristics and associated test methods for assessing of polystyrene (PS) recyclates intended for use in the production of semi-finished/finished products.
It is intended to support parties involved in the use of PS recyclates to agree on specifications for specific and generic applications.
This document does not cover the characterization of plastics wastes, which is covered by the EN 15347 series, neither traceability topics which are covered by EN 15343.

This document specifies the quality grades for sorted Polyethylene (PE) wastes as well as specific test methods laying out those properties for which the supplying party of the waste makes information available to the receiving party. Polyethylene waste quality grades are based on pre-determined sets of characteristics, taking into account sectorial and market specificities and related information needs and tests methods. The document provides for a division of information between “Required Data”, where a statement is required, and additional “Optional Data” as agreed between the supplying and receiving party.
This document does not apply to the general characterization addressed in EN 15347-1.

This document specifies the quality grades for sorted poly(vinyl chloride) (PVC) wastes as well as specific test methods laying out those properties for which the supplying party of the waste makes information available to the receiving party. PVC waste quality grades are based on pre-determined sets of characteristics, taking into account sectorial and market specificities and related information needs and tests methods. The document provides for a division of information between “Required Data”, where a statement is required, and additional “Optional Data” as agreed between the supplying and receiving party.
This document does not apply to the general characterization addressed in EN 15347-1.

This document specifies the quality grades for sorted polystyrene (PS) wastes as well as specific test methods laying out those properties for which the supplying party of the waste makes information available to the receiving party. PS waste quality grades are based on pre-determined sets of characteristics, taking into account sectorial and market specificities and related information needs and tests methods. The document provides for a division of information between “Required Data”, where a statement is required, and additional “Optional Data” as agreed between the supplying and receiving party.
This document does not apply to the general characterization addressed in EN 15347-1.

This document specifies the quality grades for sorted polypropylene (PP) wastes as well as specific test methods laying out those properties for which the supplying party of the waste makes information available to the receiving party. Polypropylene waste quality grades are based on pre-determined sets of characteristics, taking into account sectorial and market specificities and related information needs and tests methods. The document provides for a division of information between “Required Data”, where a statement is required, and additional “Optional Data” as agreed between the supplying and receiving party.
This document does not apply to the general characterization addressed in EN 15347-1.

This document specifies the quality grades for sorted poly(ethylene terephtalate) (PET) wastes as well as specific test methods laying out those properties for which the supplying party of the waste makes information available to the receiving party. PET waste quality grades are based on pre-determined sets of characteristics, taking into account sectorial and market specificities and related information needs and tests methods. The document provides for a division of information between “Required Data”, where a statement is required, and additional “Optional Data” as agreed between the supplying and receiving party.
This document does not apply to the general characterization addressed in EN 15347-1.

This document specifies a method for the determination of reaction temperatures and times, enthalpies of reaction, and degrees of conversion using conventional differential scanning calorimetry (DSC) as specified in ISO 11357-1.
The method applies to monomers, prepolymers, and polymers in the solid or liquid state. The material can contain fillers and/or initiators in the solid or liquid state.
This document is not applicable to fast DSC as specified in ISO 23976.[1]

This document specifies a tensile bending method and a compression bending method for determining the failure stress of welded corners and welded T-joints made from unplasticized poly(vinyl chloride) (PVC-U) profiles.
It is applicable to PVC based profiles used for the fabrication of windows and doors.

This document specifies three methods for the determination of the ash of poly(vinyl chloride).
The general procedures given in ISO 3451-1 are followed. For ash, method A is used. For sulfated ash, methods B and C are used. All three methods are applicable to resins, compounds and finished products. Methods B and C are applicable when lead-containing compounds are present.

This document has been developed to ensure transparency regarding the input stream for
recycling and to assist all plastic industry stakeholders in the development of new and improved
standards for plastic recycling.
The aim of this report is to present the current state of the debate on how to distinguish waste
materials that are suitable for the production of plastic recyclates from those that cannot be used
for recycling

This document specifies a method for determining the effect of heat on unplasticized poly(vinyl chloride) (PVC-U) profiles, to be carried out in air at 150 °C.
It is also applicable to PVC-based profiles at specified temperatures/test conditions.

This document defines test procedures for the acquisition and presentation of comparable data for moulding materials. This document applies predominantly to unreinforced and reinforced thermoplastic and thermosetting materials that can be injection- or compression-moulded or prepared as sheets of specified thickness.

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

This document specifies the methods of preparation of test specimens and the test methods for determining the properties of polypropylene (PP) moulding and extrusion materials. It gives 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. Properties and test methods which are suitable and essential to characterize PP moulding and extrusion materials are listed.
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 PP moulding and extrusion materials are also included in this document, as are the designatory properties specified in ISO 19069-1.

This document provides the requirements for the tests made on welded thermoplastics semi-finished products.
The selection of the appropriate test method(s) is made in accordance with the particular type and application of welded product.
The test results depend on the conditions of manufacture for the test specimen and on the test conditions. They can therefore only be related to the behaviour of the product or can only be used for designing a structure, if the test conditions can be related to the service conditions.

This document specifies the methods of preparation of test specimens and the test methods for determining the properties of polyethylene (PE) moulding and extrusion materials. It gives requirements for handling test material and for conditioning both the test material before moulding and the specimens before testing.
This document specifies the procedures and conditions for the preparation of test specimens and procedures for measuring properties of the materials from which these specimens are made. Properties and test methods that are suitable and essential to characterize PE moulding and extrusion materials are listed.
The properties in this document have been selected from the general test methods in ISO 10350-1. Other test methods in wide use for or of particular significance to PE moulding and extrusion materials are also included in this document, as are the designatory properties specified in ISO 17855-1. Properties of slow crack growth, etc. are specified in documents of polyethylene (PE) materials for piping systems.
The methods of preparation and conditioning, the specimen dimensions and the test procedures specified herein are used to obtain reproducible and comparable test results. Values determined will not necessarily be identical to those obtained using specimens of different dimensions or prepared using different procedures.

This document specifies the classifications, requirements and test methods for unplasticized poly(vinyl chloride) (PVC-U) profiles with thermo-laminated foils designed for external uses which are intended to be used for the fabrication of windows and doors.
NOTE 1   For editorial reasons, in this document, the term "window" is used for window/door.
NOTE 2   For the purpose of production control, test methods other than those specified in this document can be used.

This document specifies methods for exposing plastic specimens to fluorescent UV lamp radiation, heat and water in apparatus designed to simulate the weathering effects that occur when plastic materials are exposed in actual end-use environments to global solar radiation, or to window-glass filtered solar radiation.
Fluorescent UV lamp exposures for paints, varnishes and other coatings are described in ISO 16474-3.

This document specifies a method for determining the flexural creep of plastics in the form of standard test specimens under specified conditions such as those of pre-treatment, temperature and humidity. It is only applicable to a simple freely supported beam loaded at mid-span (three-point-loading test).
 The method is suitable for use with rigid and semi-rigid non-reinforced, filled and fibre-reinforced plastics materials (see ISO 472 for definitions) test specimens moulded directly or machined from sheets or moulded articles.
NOTE            The method can be unsuitable for certain fibre-reinforced materials due to differences in fibre orientation
The method is intended to provide data for engineering-design, quality control, research and development purposes.
The method might not be applicable for determining the flexural creep of rigid cellular plastics (attention is drawn in this respect to ISO 1209-1 and ISO 1209-2).

This document provides general guidance and requirements relevant to the selection and operation of the methods of exposure described in detail in subsequent parts of the ISO 4892 series. It also specifies general performance requirements for devices used for exposing plastics to laboratory light sources. Information regarding performance requirements is for producers of artificial accelerated weathering or artificial accelerated irradiation devices.
This document also provides information on the interpretation of data from artificial accelerated weathering or artificial accelerated irradiation exposures. More specific information about methods for determining the change in the properties of plastics after exposure and reporting these results is not part of this document.

This document specifies a small-scale laboratory screening procedure for comparing the relative burning behaviour of vertically oriented thin and relatively flexible plastics specimens exposed to a low-energy-level flame ignition source.
NOTE  These specimens cannot be tested using method B of IEC 60695-11-10:2013 since they distort or shrink away from the applied flame source without igniting.
This test method determines the afterflame and afterglow times of specimens.
The classification system described in Annex A is intended for quality control and the preselection of component materials for products. The classification established by this method of test is applicable only to the material used for the specimens.
NOTE  Test results are influenced by material components, e.g. pigments, fillers, concentrations of fire retardants.

This document provides a scheme for the characterization of sorted plastics wastes, laying out those properties for which the supplying party of the waste makes information available to the receiving party. This document provides for a division of information between "Required Data", where a statement is required, and additional "Optional Data" as agreed between the supplying and receiving party.
This document is the general part of a series on sorted plastics wastes. This document does not cover the description of quality grades per polymer(s) and stream as well as test methods specific to each plastic waste stream; these aspects are addressed in the other parts of EN 15347.

This document specifies the main characteristics and associated test methods for assessing of poly(vinyl chloride) (PVC) recyclates intended for use in the production of semi-finished/finished products.
This document is intended to support parties involved in the use of PVC recyclates to agree on specifications for specific and generic applications.
This document does not cover the characterization of plastics wastes, which is covered by the EN 153471(series), nor traceability topics which are covered by EN 15343.
This document is applicable without prejudice to any existing legislation.

This document specifies the main characteristics and associated test methods for assessing of poly(ethylene terephthalate) (PET) recyclates intended for use in the production of semi-finished/finished products.
It is intended to support parties involved in the use of PET recyclates to agree on specifications for specific and generic applications.
This document does not cover the characterization of plastics wastes, which is covered by the EN 15347 series, neither traceability topics which are covered by EN 15343.
This document is applicable without prejudice to any existing legislation.

This document specifies the dimensions, the method of sampling, the preparation of the test specimens and the conditions for performing the tensile test with waisted test specimens in order to determine the tensile energy welding factor.
A tensile test with waisted specimens can be used in conjunction with other tests (e.g. bend, tensile, tensile creep, macro, etc.) to assess the performance of welded assemblies, made from thermoplastics materials.
The test is applicable to co-axial or co-planar heated tool butt welded assemblies made from thermoplastics materials filled or unfilled, but not reinforced. It is not applicable to tubular assemblies with a nominal outside diameter less than 90 mm.

This document describes the background to methods for the determination of the thermal conductivity and thermal diffusivity of polymeric materials. Different techniques are available for these measurements and some can be better suited than others for a particular type, state and form of material. This document provides a broad overview of these techniques. Standards specific to these techniques, as referenced in this document, are used to carry out the actual test method.

This document specifies methods for determination of the ash of polyamides, both filled and unfilled. It follows the general procedures given in ISO 3451-1.

This document specifies a method for the determination of the thermal diffusivity of a thin solid disc of plastics in the thickness direction by the light flash method. This method is based upon the measurement of the temperature rise at the rear face of the thin-disc specimen produced by a short energy pulse on the front face.
The method is applicable to homogeneous solid plastics as well as composites having an isotropic or orthotropic structure. In general, it covers materials having a thermal diffusivity, α, in the range 1 × 10−7 m2⋅s−1 < α < 1 × 10−4 m2⋅s−1. Measurements can be carried out in gaseous and vacuum environments over a temperature range from −100 °C to +400 °C.
NOTE          For inhomogeneous specimens, the measured values can be specimen thickness dependent.

This Technical Report identifies the quality related responsibilities and tasks included in the supervision of activities related to the welding of products and semi-finished products made of thermoplastic materials and provides guidelines to ensure the quality of the supervision.
The fundamental aspects of this Technical Report are the following:
- definition of tasks and responsibilities;
- definition of the required knowledge, skills and competence.
The plastic welding supervisor (PWS) should be employed by the organization involved in the welding activities. This Technical Report applies to all thermoplastic welding processes.

This document specifies dimensional requirements relating to test specimens prepared from plastics materials intended for processing by moulding, as well as to test specimens prepared by machining from sheets or shaped articles. It compiles the designations and dimensions of test specimens used for the acquisition of comparable data and of other frequently used specimens.
The following types of test specimen are specified:
A            Tensile specimen, multipurpose or reduced-scale
B            Bar specimen
C            Small tensile specimen
D            Square plate specimen
F            Rectangular plate specimen
NOTE    If a particular type of test specimen is not mentioned in this document, this does not mean that there is any intention to exclude the use of the specimen. Additional specimen types can be added in future if they are commonly used.