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ISO 9924-2:2016

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ISO 9924-2:2016 Rubber and rubber products - Determination of the composition of vulcanizates and uncured compounds by thermogravimetry - Part 2: Acrylonitrile-butadiene and halobutyl rubbers

standard by International Organization for Standardization, 08/01/2016

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ISO 9924-2:2016 specifies a thermogravimetric method for the determination of the total organic content, carbon black content, carbonaceous residue and ash in vulcanizates and uncured compounds containing polymers which form a carbonaceous residue on pyrolysis (see 1.2). The loss in mass at around 300 °C is an approximate guide to the volatile-matter content of the compound.

The method is suitable for the analysis of rubber compounds and vulcanizates containing the hydrocarbon polymers covered by ISO 9924-1 plus the following copolymers with polar groups which form a carbonaceous residue on pyrolysis:

a) acrylonitrile-butadiene copolymers (NBRs);

b) carboxylated acrylonitrile-butadiene copolymers (XNBRs);

c) hydrogenated acrylonitrile-butadiene copolymers (HNBRs);

d) chlorinated isobutylene-isoprene copolymers (CIIRs);

e) brominated isobutylene-isoprene copolymers (BIIRs).

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Published: 08/01/2016 Number of Pages: 16File Size: 1 file , 420 KB Same As: BS ISO 9924-2:2016