ISO 305:1990
ISO 305:1990


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 

  •  :  Withdrawn
     : 1990-04
  •  : 2
     : 4
  •  : ISO/TC 61/SC 9 Thermoplastic materials
  •  :
    83.080.20 Thermoplastic materials

Life cycle

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