GSO ISO 14663-1:2015
塑料 模压和挤出乙烯/乙烯醇（EVOH）共聚物材料 第1部分：技术规格命名系统和规则

Plastics -- Ethylene/vinyl alcohol (EVOH) copolymer moulding and extrusion materials -- Part 1: Designation system and basis for specifications

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标准号

GSO ISO 14663-1:2015

发布

2015年

发布单位

GSO

当前最新

GSO ISO 14663-1:2015

 

 

适用范围

1.1 This part of ISO 14663 establishes a system of designation for ethylene/vinyl alcohol (EVOH) copolymer thermoplastic materials, which may be used as the basis for specifications. 1.2 The types of ethylene/vinyl alcohol (EVOH) copolymer plastic are differentiated from each other by a classification system based on appropriate levels of the designatory property: melt mass-flow rate and on information about basic polymer parameters, intended application and/or method of processing, important properties, additives, colorants, fillers and reinforcing materials. 1.3 This part of ISO 14663 is applicable to copolymers of ethylene and vinyl alcohol containing from 15 % (m/m) to 60 % (m/m) of ethylene. It applies to materials ready for normal use in the form of powder, granules or pellets, unmodified or modified by colorants, additives, fillers, etc. 1.4 It is not intended to imply that materials having the same designation give necessarily the same performance. This part of ISO 14663 does not provide engineering data, performance data or data on processing conditions which may be required to specify a material for a particular application and/or method of processing. If such additional properties are required, they shall be determined in accordance with the test methods described in part 2 of this International Standard, if suitable. 1.5 In order to specify a thermoplastic material for a particular application or to ensure reproducible processing, additional requirements may be given in data block 5 (see clause 3, introductory paragraph).

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