Home / Standards / GB/T 46581-2025 GB/T 46581-2025 Active Road vehicles—Brake lining friction materials—Test method for brake wear particle emission 道路车辆 制动衬片摩擦材料 磨损颗粒物排放量测试方法 Standard Type GBT ICS 43.040.40 CCS Q69 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A