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ISO 6235:1995
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Rubber, raw -- Determination of block polystyrene content -- Ozonolysis method

This standard has been reviewed* and then confirmed in 2010.

*ISO standards are reviewed every five years.

Abstract

Cancels and replaces the first edition (1982). Specifies a method for the determination of the long polystyrene block content of raw uncompounded styrene-butadiene rubber (SBR) and raw uncompounded blends of block SBR. Not applicable to blends of block SBR with EPDM, IIR, CSM and other halogenated rubbers. The method is suitable for rubbers having block polystyrene contents in the range from 5 % (m/m) to 100 % (m/m).

 

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