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ISO 4577:1983

ISO 4577:1983

$19.50

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

Published By Publication Date Number of Pages
ISO 1983-08 6
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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.

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ISO 4577:1983
$19.50