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ASTM B 664 : 1990 : R2000
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Specification for 80% Silver-20% Graphite Sliding Contact Material
Hardcopy , PDF
11-11-2014
English
01-01-2000
CONTAINED IN VOL. 02.04, 2015 Describes the criteria for composition and other requirements for brushes with a nominal silver content of 80%, by weight, with the balance being substantially graphite.
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