BS 3227:1980
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for butyl rubber compounds (including halobutyl compounds)
Hardcopy
12-31-1990
English
01-29-1988
Requirements for 4 black rubber compounds based on either isobutene-isoprene rubber or halogenated isobutene-isoprene rubbers. Primarily intended to meet the needs of government departments.
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