NBN ISO 8791-4:2021

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

ACTIVE

About this standard

Languages
English and French
Type
NBN
Standards committee
NBN/E172 (Paper)
Status
ACTIVE
Publication date
21 September 2021
ICS Code
85.060 (Paper and board)
Withdrawn Date
Price
€ 92,00

About this training

Summary

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.