Published
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.
PUBLISHED
ISO 8791-5:2020
90.93
Standard confirmed
Sep 4, 2025
Paper and board — Determination of roughness/smoothness (air leak methods) — Part 5: Oken method
60.60 Standard published