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SSH EN ISO 305:1999

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

Dec 7, 2011

General information

60.60     Dec 7, 2011

DPS

DPS/KT 249

European Norm

83.080.01     83.080.20  

English  

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Published

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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WITHDRAWN
SSH 2927-4:1987

WITHDRAWN
SSH 3878-9:1987

NOW

PUBLISHED
SSH EN ISO 305:1999
60.60 Standard published
Dec 7, 2011

Related project

Adopted from EN ISO 305:1999

Adopted from ISO 305:1990 IDENTICAL