ISO 8791-5:2020

Paper and board — Determination of roughness/smoothness (air leak methods) — Part 5: Oken method

Publication date:   May 8, 2020

General information

90.93   Standard confirmed   Sep 4, 2025

ISO

ISO/TC 6/SC 2 Test methods and quality specifications for paper and board

International Standard

85.060   Paper and board

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Scope

This document specifies the Oken method for determining the smoothness of paper and board using an apparatus which complies with the Oken method, as defined in this part of ISO 8791. It is applicable to all printing papers and boards.

Life cycle

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PUBLISHED
ISO 8791-5:2020
90.93 Standard confirmed
Sep 4, 2025