ASTM D589-1997(2002) 标准详情
- 标准号:ASTM D589-1997(2002)
- 中文标题:测定纸不透明度的标准试验方法(15℃漫射光照明A、89%反射背衬和纸制背衬)
- 英文标题:Standard Test Method for Opacity of Paper (15176;Diffuse Illuminant A, 89% Reflectance Backing and Paper Backing)
- 标准类别:美国材料与试验协会ASTM
- 发布日期:1997
Opacity is a fundamental optical property of paper as a whole, yet the measurement of opacity is empirical. The opacity of the sheet is influenced by the amount and kind of filler, degree of bleaching of the fibers, coating, and the like. The utili
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