Is applicable to most paper and board, and is not applicable to embossed or creped papers, or papers which will not lie flat under the conditions of test, or high air permeance papers which allow a significiant flow of air through the sheet. The Gurley instrument is excluded from this method.
| CSA Group | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ISO 8791-1:1986 |
| Product Name | Paper and board - Determination of roughness/smoothness (air leak methods) - Part 1: General method |
