ISO 8791-3:2017 PDF

Scope: 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 3000 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.

ISO 8791-3:2017 Referenced Document

ISO 186 Paper and board - Sampling to determine average quality
ISO 187 Paper, board and pulps; standard atmosphere for conditioning and testing and procedure for monitoring the atmosphere and conditioning of samples*， 2022-01-01 Update

2017 ISO 8791-3:2017 Paper and board — Determination of roughness/smoothness (air leak methods) — Part 3: Sheffield method
2005 ISO 8791-3:2005 Paper and board - Determination of roughness/smoothness (air leak methods) - Part 3: Sheffield method
1990 ISO 8791-3:1990 Paper and board; determination of roughness/smoothness (air leak methods); part 3: Sheffield method