Home / Standards / GBT 1037-2021 GBT 1037-2021 Plastics—Film and sheeting—Determination of water vapour transmission rate—Weight gain and loss methods 塑料薄膜与薄片水蒸气透过性能测定 杯式增重与减重法 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A