ASTM B 664 : 2018
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Standard Specification for 80 % Silver-20 % Graphite Sliding Contact Material
Hardcopy , PDF
25-05-2023
English
04-01-2019
This specification defines 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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