Reference number
ISO 21309-2:2019
© ISO 2025
International Standard
ISO 21309-2:2019
Plastics — Ethylene/vinyl alcohol (EVOH) copolymer moulding and extrusion materials — Part 2: Preparation of test specimens and determination of properties
Edition 1
2019-02
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Опубликовано (Версия 1, 2019)

ISO 21309-2:2019

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Тезис

This document specifies the methods of preparation of test specimens and the test methods to be used in determining the properties of ethylene/vinyl alcohol (EVOH) copolymer moulding and extrusion materials. It gives requirements for handling test material and for conditioning both the test material before moulding and the specimens before testing.

This document describes procedures and conditions for the preparation of test specimens, and procedures for measuring properties of the materials from which these specimens are made. Properties and test methods which are suitable and necessary to characterize EVOH moulding and extrusion materials are listed in this document.

The properties have been selected from the general test methods in ISO 10350-1. Other test methods in wide use for or of particular significance to these moulding and extrusion materials are also included in this document, as is the melt mass-flow rate designatory property specified in ISO 21309-1.

In order to obtain reproducible and comparable test results, it is intended to use the methods of specimen preparation and conditioning, the specimen dimensions and the test procedures specified herein. Values determined will not necessarily be identical to those obtained using specimens of different dimensions or prepared using different procedures.

Общая информация

  • Текущий статус
     : Опубликовано
    Дата публикации
     : 2019-02
    Этап
    : Международный стандарт подлежит пересмотру [90.92]
  • Версия
     : 1
  • Технический комитет :
    ISO/TC 61/SC 9
    ICS :
    83.080.20 
  • RSS обновления

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