Home / Standards / GB/T 46603-2025 GB/T 46603-2025 Active Vitreous and porcelain enamels—Determination of crack formation temperature in the thermal shock testing of enamels 搪瓷制品和瓷釉 热冲击试验中裂纹形成温度的测定 Standard Type GBT ICS 25.220.50 CCS Y 26 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A