Ссылочный номер
ISO 305:1990
ISO 305:1990
Plastics — Determination of thermal stability of poly(vinyl chloride), related chlorine-containing homopolymers and copolymers and their compounds — Discoloration method
Версия 2
1990-04
В время отменен
ISO 305:1990
4240
Отозвано (Версия 2, 1990)

Тезис

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.

Общая информация

  •  : Отозвано
     : 1990-04
    : Отмена международного стандарта [95.99]
  •  : 2
  • ISO/TC 61/SC 9
    83.080.20 
  • RSS обновления

Жизненный цикл

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