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The information about the standard:
Designation standards: SAE J380
Publication date standards: 1.2.2017
SKU: NS-675310
Country: American technical standard
Category: Technical standards SAE
Annotation of standard text SAE J380 :
Specific gravity is a nondestructive test used as a quality control check of the consistency of formulation and processing of brake lining. The specific gravity and the range of specific gravity are peculiar to each formulation and, therefore, the acceptable values or range must be established for each formulation by the manufacturer. Specific gravity alone shows nothing about a materials in use performance.
The specific gravity of sintered metal powder friction materials, particularly those which have steel backing members, is usually determined somewhat differently. Reference ASTM B 376.
SUBJECT TAXONOMY: Braking systems, Brake linings, Quality control
SUBFILE: Automotive
TYPE OF DOCUMENT: Ground Vehicle Standard
Stabilized: Feb 2017 
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