GB/T 37269-2018 in English

GB/T 37269—2018 Standard Overview

This standard specifies the requirements, test methods, inspection rules, marking, packaging, etc. for disc brake pad assemblies for automobiles. It is applicable to hydraulic or pneumatic disc brakes for M, N and O vehicles.

Comparison of standard frameworks

Explanation of professional terms

Explanation of technical requirements

The standard specifies key indicators such as appearance quality, dimensional deviation, thermal expansion and compression strain of disc brake pads. For example:

• Thermal expansion: Not more than 0.20mm under test conditions
• Compression strain: ≤2% at room temperature, ≤4% at high temperature of 400°C
• Shear strength: Not less than 1.5MPa at 300°C

Test method

The standard recommends the following test methods:

• Thermal expansion test: GB/T 22310
• Compression strain test: GB/T 22311
• Corrosion resistance test: GB/T 29065

Implementation suggestions

To ensure the effective implementation of the standard, it is recommended:

1. Strictly carry out quality inspection according to standard requirements, especially Class A items (such as shear strength and harmful component testing).
2. Optimize production processes to improve the density and consistency of friction materials.
3. Strengthen supplier management to ensure that raw materials meet technical requirements.