Home / Standards / GB/T 261-2021 GB/T 261-2021 Active Determination of flash point—Pensky-Martens closed cup method 闪点的测定 宾斯基-马丁闭口杯法 Standard Type GBT ICS 75.080 CCS E30 Status 现行 Issue Date 2021-10-11 Implementation 2022-05-01 Responsible Dept 国家标准委 Drafting Unit N/A