ISO 8791-4:2021 PDF
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Paper and board — Determination of roughness/smoothness (air leak methods) — Part 4: Print-surf method
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.
| Edition | 2021 |
|---|---|
| Standard Part No | 4 |
| Published Date | 2021 |
| Published By | International Standardization Organisation |
| Page Count | 17 |
