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Norm

ISO 4574:1978

Ausgabedatum: 1978 09 01

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

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 pl...
ZURÜCKGEZOGEN: 2019 05 21
Herausgeber:
International Organization for Standardization
Format:
Digital | 7 Seiten
Sprache:
Englisch
Aktuell Gültig:

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.

ISO 4574:2019
2019 05 21
Plastics — PVC resins for general use — Determination of hot plasticizer absorption
Norm
ISO 4574:1978
1978 09 01
Plastics — PVC resins for general use — Determination of hot plasticizer absorption
Norm
Norm
ISO 4574:2019
Ausgabedatum : 2019 05 21
Plastics — PVC resins for general use — Determination of hot plasticizer absorption