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API STD 521: Guide for Pressure-relieving and Depressuring Systems – Edition 6

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ISO 15023:2019

ISO 15023:2019 Plastics – Poly(vinyl alcohol) (PVAL) materials – Part 2: Determination of properties

CDN $186.00

SKU: 7880e1fba384 Categories: ,

Description

This document specifies the methods to be used in determining the properties of poly(vinyl alcohol), which is normally prepared by hydrolysis of poly(vinyl acetate) and whose composition comprises vinyl alcohol monomeric units and vinyl acetate monomeric units. This document is applicable to poly(vinyl alcohol) with a vinyl alcohol unit content (degree of hydrolysis) from 70 mol% to 100 mol%.

In addition to the designatory properties specified in ISO 15023-1 (degree of hydrolysis and viscosity of an aqueous solution), this document includes a number of other properties which are commonly used to specify PVAL materials (see Table 1).

Edition

2

Published Date

2019-03-01

Status

PUBLISHED

Pages

18

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

This document specifies the methods to be used in determining the properties of poly(vinyl alcohol), which is normally prepared by hydrolysis of poly(vinyl acetate) and whose composition comprises vinyl alcohol monomeric units and vinyl acetate monomeric units. This document is applicable to poly(vinyl alcohol) with a vinyl alcohol unit content (degree of hydrolysis) from 70 mol% to 100 mol%.

In addition to the designatory properties specified in ISO 15023-1 (degree of hydrolysis and viscosity of an aqueous solution), this document includes a number of other properties which are commonly used to specify PVAL materials (see Table 1).

Previous Editions

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