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ISO 4577:1983

Plastics — Polypropylene and propylene-copolymers — Determination of thermal oxidative stability in air — Oven method

Aug 1, 1983
95.99   Withdrawal of Standard   Jul 17, 2019

General information

95.99     Jul 17, 2019

ISO

ISO/TC 61/SC 9

International Standard

83.080.20  

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Scope

Specifies a method for the determination of the resistance of moulded test specimens of propylene and propylene-copolymers to acclerated ageing at specified temperatures in the range from 100 to 150oC in a forced draught oven. Rotating specimen holders are recommended.- The time to failure is determined by visual examination and taken as the number of days after which a specimen shows localized crazing, crumbling and/or discoloration. The test may be conducted at several temperatures and the data interpreted by the use of the Arrhenius relation.

Life cycle

NOW

WITHDRAWN
ISO 4577:1983
95.99 Withdrawal of Standard
Jul 17, 2019

REVISED BY

PUBLISHED
ISO 4577:2019

National adoptions

Plastics - Polypropylene and propylene-copolymers - Determination of thermal oxidative stability in air - Oven method (ISO 4577:1983)

95.99   Withdrawal of Standard

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