Home / Standards / GB/T 2679.2-2015 GB/T 2679.2-2015 Active Sheet materials—Determination of water vapour trasmission rate —Gravimetric (Dish) method 薄页材料 透湿度的测定 重量（透湿杯）法 Standard Type GBT ICS 85.010 CCS Y30 Status 现行 Issue Date 2015-09-11 Implementation 2016-04-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A