ASTM F441-1994 标准详情
- 标准号:ASTM F441-1994
- 中文标题:标准规范氯化聚氯乙烯CPVC塑料管,安排40和80 e1-1995
- 英文标题:standard specification for chlorinated poly vinyl chloride cpvc plastic pipe,schedules 40 and 80 e1-1995
- 标准类别:美国材料与试验协会ASTM
- 发布日期:1986
1.1 This test method covers the determination of the relative friability of a particular size of sized coal. It affords a means of measuring the liability of coal to break into smaller pieces when subjected to repeated handling at the mine or subsequ
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