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BS ISO 9924-2:2016

Rubber and rubber products. Determination of the composition of vulcanizates and uncured compounds by thermogravimetry-Acrylonitrile-butadiene and halobutyl rubbers

standard by British Standard / International Organization for Standardization , 07/31/2016

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Full Description

BS 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. 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:
  • acrylonitrile-butadiene copolymers (NBRs);
  • carboxylated acrylonitrile-butadiene copolymers (XNBRs);
  • hydrogenated acrylonitrile-butadiene copolymers (HNBRs);
  • chlorinated isobutylene-isoprene copolymers (CIIRs);
  • brominated isobutylene-isoprene copolymers (BIIRs).
NOTE 1 The field of application of the method may be extended to include the analysis of compounds containing rubbers different from those given in this subclause, provided that the applicability of the method is tested beforehand using known compounds or vulcanizates having similar composition.

NOTE 2 The method is not suitable for compounds containing mineral fillers, such as carbonates or hydrated aluminium oxides, which decompose in the temperature range from 25 °C to 800 °C, unless suitable corrections based on prior knowledge of filler behaviour can be made.

NOTE 3 The method is not suitable for the determination of the total polymer content of compounds containing non-rubber organic ingredients that cannot be completely removed by solvent extraction carried out in accordance with ISO 1407.


Cross References:
ISO 1407


All current amendments available at time of purchase are included with the purchase of this document.
 

Product Details

Published:
07/31/2016
ISBN(s):
9780580927706
Number of Pages:
20
File Size:
1 file , 1.8 MB
Same As:
ISO 9924-2:2016
Product Code(s):
30334949, 30334949, 30334949
Note:
This product is unavailable in Russia, Ukraine, Belarus
 

Document History

  1. BS ISO 9924-2:2016

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    Rubber and rubber products. Determination of the composition of vulcanizates and uncured compounds by thermogravimetry-Acrylonitrile-butadiene and halobutyl rubbers

    • Most Recent

  2. BS ISO 9924-2:2000+A1:2012


    Rubber and rubber products. Determination of the composition of vulcanizates and uncured compounds by thermogravimetry-Acrylonitrile-butadiene and halobutyl rubbers

    • Historical Version

  3. BS ISO 9924-2:2000


    Rubber and rubber products. Determination of the composition of vulcanizates and uncured compounds by thermogravimetry. Acrylonitrile-butadiene and halobutyl rubbers

    • Historical Version