标准编号：ISO 5636-4:2013
中文名称：纸和纸板 透气性的测定（中等范围） 第4部分：谢菲尔德（Sheffield）法
英文名称：Paper and board — Determination of air permeance (medium range) — Part 4: Sheffield method
发布日期：2013-11
标准范围
This part of ISO 5636 specifies the Sheffield method for determining the air permeance of paper and board using the Sheffield apparatus.It is applicable to papers and boards which have air permeances between 0,02 μm/(Pa·s) and 25 μm/(Pa·s) when tested with the Sheffield apparatus.It is unsuitable for rough-surfaced materials, which cannot be securely clamped to avoid leakage.
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