BS ISO 8791-4:2021 – TC
$186.33
Tracked Changes. Paper and board. Determination of roughness/smoothness (air leak methods) – Print-surf method
Published By | Publication Date | Number of Pages |
BSI | 2021 | 58 |
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.
PDF Catalog
PDF Pages | PDF Title |
---|---|
1 | 30443263 |
35 | A-30380003 |
36 | National foreword |
40 | Foreword |
41 | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle |
42 | 5 Apparatus 5.1 Print-surf tester (two types) |
43 | 5.2 Principal components of the system |
47 | 5.3 Measuring system 6 Sampling 7 Condition 8 Preparation of test pieces 9 Procedure |
48 | 9.6.1 Variable-area flowmeter type 9.6.2 Impedance type 10 Calculation |
49 | 11 Precision 12 Test report |
50 | Annex A Calculation of roughness in micrometres |
51 | Annex B (normative) Maintenance of Print-surf roughness testers |
53 | Annex C (normative) Calibration of variable-area flowmeters |
55 | Annex D (informative) Precision |
56 | Bibliography |