NBN ISO 8791-3:2020

NBN ISO 8791-3:2020

Paper and board — Determination of roughness/smoothness (air leak methods) — Part 3: Sheffield method ISO 8791-3:2017

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Details

This document specifies a method for the determination of the roughness of paper and board using the Sheffield apparatus. This document is applicable to papers and boards which have Sheffield roughness values between 10 ml/min and about 3 000 ml/min. It is not suitable for soft papers which allow the lands of the test head to indent the surface, or for high air-permeance papers which allow a significant flow of air through the sheet, or for papers which will not lie flat during the test.
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Additional Info

Author Bureau de Normalisation Belge (NBN)
Published by NBN
Document type Standard
ICS 85.060 : Paper and board
Document history No
Keyword ISO 8791-3, ISO 8791-3:2020