ASTM D2626-1997B 标准详情
- 标准号:ASTM D2626-1997B
- 中文标题:铺屋顶用沥青浸透和覆层的有机毛毡底板料规格
- 英文标题:standard specification for asphalt-saturated and coated organic felt base sheet used in roofing
- 标准类别:美国材料与试验协会ASTM
- 发布日期:1997
1.1 This specification covers asphalt-saturated and coated organic felt base sheet with fine mineral surfacing on the top side, with or without perforations, for use as the first ply of a built-up roof. When not perforated this sheet may be used as a
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