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Measurement of Copper and Other Elements in Brake Friction Materials
- Ground Vehicle Standard
Published December 20, 2013 by SAE International in United States
Downloadable datasets availableAnnotation ability available
This procedure describes a method for generating, preparing and analyzing samples of new and unused brake friction materials for their chemical constituents.
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.
We have expanded Section 4.3.2 for Hexavlent Chromium content due to some limitations discovered in recent testing.
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Data Sets - Support Documents
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Brake Linings Standards Committee
The goal of the Brake Lining Standards Committee is to provide a means of developing and maintaining common test and nomenclature standards for the friction materials industry. In working toward this goal, the committee helps reduce industry costs, harmonize global markets and enhance safety by recommending uniform test and performance standards for automotive friction materials.
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