Abstract

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     : Withdrawn
    Publication date
     : 1990-04
  • Edition
     : 2
    Number of pages
     : 4
  • Technical Committee
     : ISO/TC 61/SC 9 Thermoplastic materials
  • ICS
     :
    83.080.20 Thermoplastic materials

Life cycle

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