EN ISO 21301-1:2019 Plastics - Ethylene-vinyl acetate (EVAC) moulding and extrusion materials - Part 1: Designation system and basis for specifications
This document establishes a system of designation for ethylene-vinyl acetate thermoplastic material@ which can be used as the basis for specifications. The types of ethylene-vinyl acetate (EVAC) plastic are differentiated from each other by a classification system based on appropriate levels of the following designatory properties: a) vinyl acetate content; b) melt mass-flow rate; and on information about the intended application and/or method of processing@ important properties@ additives@ colorants@ fillers and reinforcing materials. This document is applicable to all ethylene vinyl acetate copolymers containing from a mass fraction from 3 % to 50 % (approximately 25 % molar) of vinyl acetate. 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. 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 determined in accordance with the test methods specified in ISO 21301-2@ if suitable. In order to specify a thermoplastic material for a particular application or to ensure reproducible processing@ additional requirements can be given in data block 5 (see 4.1).
EN ISO 21301-1:2019 history
2019EN ISO 21301-1:2019 Plastics - Ethylene-vinyl acetate (EVAC) moulding and extrusion materials - Part 1: Designation system and basis for specifications