ISO 8791-4:2021
Paper and board - Determination of roughness/smoothness (air leak methods) - Part 4: Print-surf method

Standard No.

ISO 8791-4:2021

Release Date

2021

Published By

International Organization for Standardization (ISO)

Latest

ISO 8791-4:2021

Scope

This document specifies a method for determining the roughness of paper and board using an apparatus which conforms to the Print-surf method, as defined in this document. It is applicable to all printing papers and boards with which it is possible to form a substantially airtight seal against the guard lands of the measuring head.

ISO 8791-4:2021 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

ISO 8791-4:2021 history

• 2021 ISO 8791-4:2021 Paper and board - Determination of roughness/smoothness (air leak methods) - Part 4: Print-surf method
• 2007 ISO 8791-4:2007 Paper and board - Determination of roughness/smoothness (air leak methods) - Part 4: Print-surf method
• 1992 ISO 8791-4:1992 Paper and board; determination of roughness/smoothness (air leak methods); part 4: print-surf method