Home / Standards / GB/T 21789-2025 GB/T 21789-2025 Active Determination of flash point—Abel closed-cup method 闪点的测定 阿贝尔闭口杯法 Standard Type GBT ICS 71.100 CCS G00/09 Status 现行 Issue Date 2025-10-05 Implementation 2026-02-01 Responsible Dept 国家标准委 Drafting Unit N/A