ISO 5636-4:2013

Paper and board — Determination of air permeance (medium range) — Part 4: Sheffield method

ISO 5636-4:2013 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.

Edition	2013
Standard Part No	4
Published Date	2013
Published By	International Standardization Organisation
Page Count	13