ISO 28941-1:2008 establishes a system of designation for PPE thermoplastic materials, which may be used as the basis for specifications. The types of PPE plastic are differentiated from each other by a classification system based on appropriate levels of the designatory properties temperature of deflection under load melt volume-flow rate Charpy notched impact strength flammability and on information about basic polymer parameters, intended application and/or method of processing, important properties, additives, colorants, fillers and reinforcing materials. ISO 28941-1 is applicable to all PPE materials, including those modified with polystyrene or polyamide or other materials. It applies to materials ready for normal use in the form of powder, granules or pellets and to materials unmodified or modified by colorants, additives, fillers, etc.
ISO 28941-1:2008 establishes a system of designation for PPE thermoplastic materials, which may be used as the basis for specifications.
The types of PPE plastic are differentiated from each other by a classification system based on appropriate levels of the designatory properties
and on information about basic polymer parameters, intended application and/or method of processing, important properties, additives, colorants, fillers and reinforcing materials.
ISO 28941-1 is applicable to all PPE materials, including those modified with polystyrene or polyamide or other materials.
It applies to materials ready for normal use in the form of powder, granules or pellets and to materials unmodified or modified by colorants, additives, fillers, etc.
Le présent document établit un système de désignation des matériaux thermoplastiques à base de PE qui peut être utilisé comme base pour les spécifications.
<p>This document establishes a system of designation for poly(phenylene ether) (PPE) thermoplastic materials, which can be used as the basis for specifications.</p> <p>The types of poly(phenylene ether) (PPE) materials are differentiated from each other by a classification system based on appropriate levels of the designatory properties:</p> <p>a) temperature of deflection under load;</p> <p>b) melt volume-flow rate;</p> <p>c) Charpy notched impact strength;</p> <p>d) flammability;</p> <p>and on information about basic polymer parameters, intended application and/or method of processing, important properties, additives, colorants, fillers and reinforcing materials.</p> <p>This document is applicable to all PPE materials, including those modified with polystyrene or polyamide or other materials.</p> <p>It applies to materials ready for normal use in the form of powder, granules or pellets and to materials unmodified or modified by colorants, additives, fillers, etc.</p> <p>It is not intended to imply that materials having the same designation give necessarily the same performance. This document does not provide engineering data, performance data or data on processing conditions which can be required to specify a material for a particular application and/or method of processing. If such additional properties are required, they are intended to be determined in accordance with the test methods specified in ISO 20557-2, if suitable.</p> <p>In order to specify a thermoplastic material for a particular application or to ensure reproducible processing, the requirements are given in data block 5 (see 4.1).</p>
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