BS 7374-1990 标准详情
- 标准号:BS 7374-1990
- 中文标题:建筑物用板材抗水蒸汽渗漏的试验方法
- 英文标题:methods of test for water vapour transmission resistance of board materials used in buildings
- 标准类别:英国标准
- 发布日期:1990-11-30
Two methods for determining permeability resistance. The wet cup method is for testing hygroscopic materials and the dry cup method is for testing non-hygroscopic materials.
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