ASTM C421-1995 标准详情
- 标准号:ASTM C421-1995
- 中文标题:预制块型隔热材料滚动磨损性试验方法
- 英文标题:standard test method for tumbling friability of preformed block-type thermal insulation
- 标准类别:美国材料与试验协会ASTM
- 发布日期:1995
1.1 This test method covers determination of the mass loss of preformed block-type thermal insulation as a result of a combination of abrasion and impact produced by a laboratory tumbling mechanism. 1.2 The values stated in inch-pound units are to
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