Home / Standards / GB/T 45771-2025 GB/T 45771-2025 Active Fine ceramics—Methods for evaluating wear and friction characteristics of ceramic thin films under dry and humid conditions 精细陶瓷 干湿环境下陶瓷薄膜的摩擦磨损特性评价方法 Standard Type GBT ICS 81.060.30 CCS Q30 Status 现行 Issue Date 2025-06-30 Implementation 2026-01-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A