Home / Standards / GB/T 19466.4-2025 GB/T 19466.4-2025 Upcoming Plastics—Differential scanning calorimetry(DSC) method—Part 4:Determination of specific heat capacity 塑料 差示扫描量热(DSC)法 第4部分:比热容的测定 Standard Type GBT ICS 83.080.01 CCS G31 Status 即将实施 Issue Date 2025-12-02 Implementation 2026-07-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A