ISO 5636-4-2005 纸和纸板.透气性的测定(中等范围).第4部分:谢菲尔德法

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                   【英文标准名称】:     Paper and board - Determination of air permeance (medium range) - Part 4: Sheffield method            【原文标准名称】:     纸和纸板.透气性的测定(中等范围).第4部分:谢菲尔德法            【标准号】:     ISO 5636-4-2005            【标准状态】:     现行            【国别】:     国际            【发布日期】:     2005-02    【实施或试行日期】: 【发布单位】: 国际标准化组织(ISO)【起草单位】: ISO/TC 6【标准类型】: ()【标准水平】: ()【中文主题词】: 试验;定义;纸;透气率;试样;纸板;试验设备;测定;谢菲尔德【英文主题词】: Air permeability;Board (paper);Definition;Definitions;Determinationaper;Sheffield;Test equipment;Test specimens;Testing;Tests【摘要】: This part of ISO 5636 specifies a method of determining the air flow rate through unit area of a sheet of paper or board, under unit pressure difference using apparatus called the Sheffield instrument.The method is applicable to papers and boards having air permeances between 0,02 μm/(Pa·s) and 25 μm/(Pa·s). The method is not suitable for papers and boards with a rough surface, such as crepe paper and corrugated papers, which cannot be securely clamped to avoid surface leakage.【中国标准分类号】: Y30【国际标准分类号】: 85_060【页数】: 12P;A4【正文语种】: 英语