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Overview EN ISO 20557-1:2018 (CEN adoption of ISO 20557-1:2018) defines a standardized designation system for poly(phenylene ether) (PPE) thermoplastic materials used for moulding and extrusion. The…
Overview EN ISO 20557-2:2018 - Plastics - Poly(phenylene ether) (PPE) moulding and extrusion materials - Part 2: Preparation of test specimen and determination of properties - specifies how to prepar…
Overview ISO 20557-1:2018 specifies a standardized designation system for poly(phenylene ether) (PPE) moulding and extrusion thermoplastic materials. The standard creates a clear coding format that m…
Overview ISO 20557-2:2018 defines the standardized methods for preparing test specimens and determining the properties of poly(phenylene ether) (PPE) moulding and extrusion materials. This part of th…