Home / Standards / GB/T 46773-2025 GB/T 46773-2025 Upcoming Determination of the thermal conductivity of ultra-thin ceramic substrates—Flash method 超薄陶瓷基片导热系数试验方法 闪光法 Standard Type GBT ICS 81.060.30 CCS Q30 Status 即将实施 Issue Date 2025-12-02 Implementation 2026-07-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A