ASTM D494-2011 标准详情
- 标准号:ASTM D494-2011
- 中文标题:丙酮萃取酚醛模制或层压制品的标准试验方法
- 英文标题:standard test method for acetone extraction of phenolic molded or laminated products
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2011-09-01
For molded phenolic products, acetone extraction shall be considered solely as a quantitative expression of a property normally associated with degree of cure. There is no demonstrably rigorous relation between the optimum mechanical and electrical p
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