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SAE J840
Test Procedures for Shear Strength of Automotive Brake Pads and Brake Lining Assemblies
Translate name
STANDARD published on 1.3.2026
The information about the standard:
Designation standards: SAE J840
Publication date standards: 1.3.2026
SKU: NS-1266645
Country: American technical standard
Category: Technical standards SAE
Annotation of standard text SAE J840 :
This SAE Recommended Practice covers equipment capabilities and the test procedure to quantify and qualify the shear strength between the friction material and backing plate or brake shoe for automotive applications. This SAE Recommended Practice is applicable to: bonded drum brake linings; integrally molded disc brake pads; disc brake pads and backing plate assemblies using mechanical retention systems (MRS); coupons from drum brake shoes or disc brake pad assemblies. The test and its results are also useful for short, semi-quantitative verification of the bonding and molding process.
This Recommended Practice is applicable during product and process development, product verification and quality control. This Recommended Practice does not replicate or predict actual vehicle performance or part durability.
SUBFILE: Automotive
TYPE OF DOCUMENT: Ground Vehicle Standard
Stabilized: Apr 2026 
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