Home / Standards / GB/T 46436-2025 GB/T 46436-2025 Active Vitreous and porcelain enamels—Preparation of samples and determination of thermal expansion coefficient 搪瓷制品和瓷釉 样品制备和热膨胀系数的测定 Standard Type GBT ICS 25.220.50 CCS Y26 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