GB/T 22901-2008.Paper and board-Determination of air permeance( medium range)-General method.1范围GB/T 22901规定了测定纸和纸板透气度(中等范圉)所使用仪器的基本...
GB/T 22899.1-2008.Paper and board-Measurement of hygroexpansivity-Part 1:Hygroexpansivity up to a maximum relative humidity of 68%.1范围GB/T22899的本部分规定了-种在相对湿...
GB/T 22893-2008.Paper and board-Cut-size office paper- Measurement of curl in a pack of sheets.8.2按照7.3 或7.4或7.6取样。8.3在距离边缘大约10 mm处,用拇指和食指捏...
GB/T 22891-2008.Leather- Physical and mechanical tests-Determination of water resistance of heavy leather.6试样的制备和处理6.1按QB/T 2706的规定取样,用模刀(5.3)从粒面...
GB/T 22890-2008.Leather-Physical and mechanical tests-Determination of water resistance of flexible leather.1范围GB/T 22890规定了皮革动态防水性能的测定方法。GB/T ...
GB/T 22889-2008.Leather- Physical and mechanical tests-Determination of surface coating thickness.1范围GB/T 22889规定了皮革表面涂层厚度的测定方法。GB/T 22889适用于...
GB/T 22881-2008.Paper and board- Determination of roughness/ smoothness(air leak methods)-General method.GB/T 22881规定了用空气泄漏法测定纸和纸板粗糙度(平滑度)的...
GB/T 22880-2008.Paper and board- -Determination of CIE whiteness, D65/ 10°(outdoor daylight).6校准6.1 移去照明光東中UV截止滤光片,用非荧光参比标准(5.3.1)的标定...
GB/T 22878-2008.Paper and board- Estimation of contraries.GB/T 22878规定了用反射光估算纸页中可见杂质的测定方法。GB/T 22878适用于大多数纸和纸板。2规范...
GB/T 22876-2008.Paper , board and corrugated fiberboard-Description and calibration of compression testing equipment.1范園GB/T 22876规定了纸、纸板和瓦楞纸板压缩试验仪...
