ASTM D 2821-2009 标准详情
- 标准号:ASTM D 2821-2009
- 中文标题:用扭丝仪测量皮革相对劲度的标准试验方法
- 英文标题:standard test method for measuring the relative stiffness of leather by means of a torsional wire apparatus
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2009-10-01
This test method is designed to measure the apparent torsional modulus of a leather specimen. Experience has shown that the torsion modulus of leather is directly related to the characteristic known as stiffness when felt in a glove. 1.1 This test
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