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Homepage>BS Standards>85 PAPER TECHNOLOGY>85.060 Paper and board>BS ISO 5636-4:2013 Paper and board. Determination of air permeance (medium range) Sheffield method
immediate downloadReleased: 2013-10-31
BS ISO 5636-4:2013 Paper and board. Determination of air permeance (medium range) Sheffield method

BS ISO 5636-4:2013

Paper and board. Determination of air permeance (medium range) Sheffield method

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Standard number:BS ISO 5636-4:2013
Pages:22
Released:2013-10-31
ISBN:978 0 580 66118 1
Status:Standard
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BS ISO 5636-4:2013


This standard BS ISO 5636-4:2013 Paper and board. Determination of air permeance (medium range) is classified in these ICS categories:
  • 85.060 Paper and board

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.