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ISO 305:1990

Plastics — Determination of thermal stability of poly(vinyl chloride), related chlorine-containing homopolymers and copolymers and their compounds — Discoloration method

Apr 12, 1990
95.99 Withdrawal of Standard   May 15, 2019

General information

95.99     May 15, 2019

ISO

ISO/TC 61/SC 9

International Standard

83.080.20  

French   English  

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Scope

Specification of a comparing method, based on the increasing discoloration of polyvinylchloride when exposed to heat, due to a decomposition reaction. Test pieces in diskform are placed between aluminium pieces and heated to the specified test temperature. After specified periods one test specimen at a time is taken out and the degree of discoloration assessed by visual examination or by measuring with a photometer.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 305:1976

NOW

WITHDRAWN
ISO 305:1990
95.99 Withdrawal of Standard
May 15, 2019

REVISED BY

PUBLISHED
ISO 305:2019

National adoptions

SSH EN ISO 305:1999  
DPS

Plastics - Determination of thermal stability of poly(vinyl chloride), related chlorine-containing homopolymers and copolymers and their compounds - Discoloration method (ISO 305:1990)

60.60 Standard published

DPS/KT 249 more