This standard specifies terms and definitions, basic requirements related to health and safety, test methods, inspection rules, marking, packaging, transportation and storage, etc. of brake linings for automobiles.
It is applicable to brake linings for automobiles (hereinafter referred to as linings).
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 5620 Road vehicles - braking of automotive vehicles and their trailers - Vocabulary
GB/T 15089 Classification of power-driven vehicles and trailers
GB/T 17469 Characteristics evaluation of brake linings for automobile - Small sample bench test method
GB/T 22309 Road vehicles - Brake linings - Shear test procedure for disc break pad and drum brake shoe assemblies
GB/T 23263 Determination of asbestos in products
GB/T 34007 Road vehicles - Brake lining friction materials - Drag test method for friction performance
JC/T 2268 Measurement of copper and other elements in brake friction materials
3 Terms and definitions
For the purposes of this standard, the terms and definitions specified in GB/T 5620 and GB/T 15089 as well as the following ones apply.
3.1
coefficient of friction
ratio of the tangential force (i.e. friction force) impeding the relative movement of two objects to the normal force acted on the object surface
