This document describes the NEDC brake cycle test method and the WLTP brake cycle test method for testing the particulate matter emission from the wear of brake lining friction materials of road vehicles. This document applies to the brake linings for Category-M1 and Category-N1 vehicles. Brake linings for other types of vehicles may refer to this document for further information.
Basic Data
Standard ID
GB/T 46581-2025 (GB/T46581-2025)
Description (Translated English)
Road vehicles - Brake lining friction materials - Test method for brake wear particle emission
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
Q69
Classification of International Standard
43.040.40
Word Count Estimation
94,914
Date of Issue
2025-10-31
Date of Implementation
2026-05-01
Issuing agency(ies)
State Administration for Market Regulation, Standardization Administration of China
