ASTM D36/D36M-2009 标准详情
- 标准号:ASTM D36/D36M-2009
- 中文标题:沥青软化点标准试验方法(沥青软化点测定器)
- 英文标题:standard test method for softening point of bitumen (ring-and-ball apparatus)
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2009-12-15
Bitumens are viscoelastic materials without sharply defined melting points; they gradually become softer and less viscous as the temperature rises. For this reason, softening points must be determined by an arbitrary and closely defined method if r
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