Kemesta

Toimialayhteisö: Kemesta
Komitea: CEN/TC 249 (Plastics)
Alkuperä: CEN
Määräpäivä: 2024-04-18
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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.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 249 (Plastics)
Alkuperä: CEN
Määräpäivä: 2024-04-18
LaajennaSupista
 
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.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 249 (Plastics)
Alkuperä: CEN
Määräpäivä: 2024-04-18
LaajennaSupista
 
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 plastics wastes, which is covered by the EN 15347 series, neither traceability topics which are covered by EN 15343.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 139 (Paints and varnishes)
Alkuperä: CEN
Määräpäivä: 2024-04-18
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This document specifies a method for the quantitative determination of monomeric diisocyanate content in coating materials, adhesives and other liquid or pasty materials. This method is suitable for the quantification of the following monomeric diisocyanates: methylene diphenyl diisocyanate (MDI, 2,4’-MDI and 4,4’-MDI), toluene diisocyanate (TDI, 2,6-TDI, 2,4-TDI), (cis/trans) isophorone diisocyanate (IPDI) and hexamethylene diisocyanate (HDI,1,6-HDI) in various matrices for concentrations ranging from 0,01 % to 2,0 % mass fraction. For higher concentrations, a suitable dilution before the derivatization with p-nitrobenzyl-N-propylamine (PNBPA) is performed. The measurements are carried out using ultra high performance liquid chromatography (UHPLC) with a multiple wavelength detector.
Toimialayhteisö: Kemesta
Komitea: ISO/TC 197 (Hydrogen technologies)
Alkuperä: ISO
Määräpäivä: 2024-04-24
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This document defines the design, safety and operation characteristics of gaseous hydrogen land vehicle (GHLV) refuelling connectors. GHLV refuelling connectors consist of the following components, as applicable: This document is applicable to refuelling connectors which have nominal working pressures or hydrogen service levels up to 70 MPa and maximum flow rates up to 120 g/s. This document is not applicable to refuelling connectors dispensing blends of hydrogen with natural gas.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 249 (Plastics)
Alkuperä: CEN
Määräpäivä: 2024-04-25
LaajennaSupista
 
This document provides relevant characteristics and typical values for polyethylene (PE) recyclates intended for groups of defined applications (the product families). The relevant 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.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 249 (Plastics)
Alkuperä: CEN
Määräpäivä: 2024-04-25
LaajennaSupista
 
This document provides relevant characteristics and typical values for poly(vinyl chloride) (PVC) recyclates intended for groups of defined applications (the product families). The relevant 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.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 249 (Plastics)
Alkuperä: CEN
Määräpäivä: 2024-04-25
LaajennaSupista
 
This document provides relevant characteristics and typical values for PET recyclates intended for groups of defined applications (the product families). The relevant 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 relevant properties for a product family is based on EN ISO 10350 1, extended with specific properties related to plastic recyclates.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 249 (Plastics)
Alkuperä: CEN
Määräpäivä: 2024-04-25
LaajennaSupista
 
This document provides relevant characteristics and typical values for polystyrene (PS) recyclates intended for groups of defined applications (the product families). The relevant 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 relevant properties for a product family is based on EN ISO 10350 1, extended with specific properties related to plastic recyclates.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 249 (Plastics)
Alkuperä: CEN
Määräpäivä: 2024-04-25
LaajennaSupista
 
This document provides relevant characteristics and typical values for Acrylonitrile-butadiene-styrene (ABS) recyclates intended for groups of defined applications (the product families). The relevant 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.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 249 (Plastics)
Alkuperä: CEN
Määräpäivä: 2024-04-25
LaajennaSupista
 
This document provides relevant characteristics and typical values for polypropylene (PP) recyclates intended for groups of defined applications (the product families). The relevant 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.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 249 (Plastics)
Alkuperä: CEN
Määräpäivä: 2024-04-25
LaajennaSupista
 
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.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 249 (Plastics)
Alkuperä: CEN
Määräpäivä: 2024-05-02
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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.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 249 (Plastics)
Alkuperä: CEN
Määräpäivä: 2024-05-09
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This document defines a system for the classification of recycled plastics based on the available data depth (Data Quality Levels, DQL) and provides guidelines for the labelling of the recyclate type and recycled content in compounds. It is intended to support parties involved in the use and trading of recycled plastics, explicitly including digital trading platforms.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 249 (Plastics)
Alkuperä: CEN
Määräpäivä: 2024-05-09
LaajennaSupista
 
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). 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 2 Examples for profiles included in this document and their intended use can be found in Figure 1.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 249 (Plastics)
Alkuperä: CEN
Määräpäivä: 2024-05-09
LaajennaSupista
 
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 plastics wastes, which is covered by the EN 15347 series, neither traceability topics which are covered by EN 15343.
Toimialayhteisö: Kemesta
Komitea: ISO/TC 31 (Tyres, rims and valves)
Alkuperä: ISO
Määräpäivä: 2024-05-10
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This document specifies the method for measuring tyre abrasion per distance travelled, under controlled laboratory conditions, for new pneumatic tyres designed primarily for use on passenger cars. This document applies to all passenger car tyres with the following exclusions:
Toimialayhteisö: Kemesta
Komitea: ISO/TC 61/SC 13 (Composites and reinforcement fibres)
Alkuperä: ISO
Määräpäivä: 2024-05-13
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This standard specifies methods for the simultaneous measurement of the fibre tensile strength distribution and the fibre resin interfacial shear strength of recycled carbon fibres using the modified fragmentation test[1]. The Young's modulus and fibre diameter of the fibre to which this standard applies must already be known. The thermal shrinkage of the polymer must also be known.
Toimialayhteisö: Kemesta
Komitea: ISO/TC 61/SC 2 (Mechanical behavior)
Alkuperä: ISO
Määräpäivä: 2024-05-13
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This document specifies a method for determining the scratch properties of plastics under defined conditions. The method involves making a scratch by moving a hard tool (scratch tip) under specified conditions of load and speed across the surface of a test specimen and then assessing the result. The method is used to investigate the behaviour of specified types of specimens under the scratch conditions defined and for classifying the type of scratch of specimens within the limitations inherent in the test conditions. It can also be used to determine comparative data for different types of material by means of a so-called scratch map in which the types of scratch behaviour for each set of test conditions of test load and test speed are determined using the basic method of constant-load testing, and also by means of the so-called critical normal load (see 3.8) determined using an alternative method of linearly increasing load testing. “The method is suitable for use with the following range of materials. The method specifies the preferred dimensions for the test specimen and the preferred scratch-tip geometry.
Toimialayhteisö: Kemesta
Komitea: ISO/TC 35/SC 16 (Chemical analysis)
Alkuperä: ISO
Määräpäivä: 2024-05-16
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This document specifies the apparatus and the analytical method for determining the content of in-can isothiazolinone preservatives in water-dilutable coating materials or related products.