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ISO 4574:1978

Plastics — PVC resins for general use — Determination of hot plasticizer absorption

Sep 1, 1978
95.99   Withdrawal of Standard   May 21, 2019

General information

95.99     May 21, 2019

ISO

ISO/TC 61/SC 9

International Standard

83.080.20  

French   English  

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Scope

Conditioning of 200 parts of plasticiser in the bowl of a planetary mixer at a temperature of 75 C. Addition of 100 parts of the resin to be tested and mixing with the plasticizer. Taking of samples of this mixture at various times, removal of excess of plasticizer by centrifuging and determining the quantity of plasticizer absorbed by the polymer. Plotting a graph, from which can be determined for the polymer under test: - the mean rate of plasticizer absorption (RPA) ; - the hot plasticizer absorption (HPA) at 75 C and 30 min.

Life cycle

NOW

WITHDRAWN
ISO 4574:1978
95.99 Withdrawal of Standard
May 21, 2019

REVISED BY

PUBLISHED
ISO 4574:2019