Measurement of Copper and Other Elements in Brake Friction Materials

Standard:
Issued:
  • 2011-12-12
 
Publisher:
  • SAE International
Pages:
8
Scope:

This procedure describes a method for generating, preparing and analyzing samples of new and unused brake friction materials for their chemical constituents.

Rationale:

The states of Washington and California passed laws in 2011 restricting the amount of cadmium, copper, hexavalent chromium, lead and mercury their compounds in brake friction materials. As part of the legislation, brake friction materials are required to be analyzed to confirm the levels of the restricted elements are below the values stated in the legislation. The SAE J2975 provides a method on how to generate samples of brake friction material for analysis, how to prepare the samples for analysis and how to analyze the samples.

History:
Standard Published Revision Status
J2975_201505 2015-05-07 Latest Revised
2013-12-20 Historical Revised
2011-12-12 Historical Issued
AKA:
  • SAE J 2975
Sector:
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