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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

Standard Details

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.

General Information

Status : WITHDRAWN
Standard Type: Main
Document No: ISO 305:1990
Document Year: 1990
Pages: 4
Edition: 2

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WITHDRAWN
ISO 305:1990

WITHDRAWN
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