BS ISO 8791-3:2017
Current
Paper and board. Determination of roughness/smoothness (air leak methods) Sheffield method
Hardcopy , PDF
English
09-18-2017
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Sampling
7 Conditioning
8 Preparation of test pieces
9 Calibration
10 Procedure
11 Calculation and expression of results
12 Test report
Annex A (normative) - Care and maintenance
of test instrument with variable-area
flowmeters
Annex B (normative) - Calibration of flowmeters
Annex C (informative) - Conversion table
Annex D (informative) - Precision
Bibliography
Defines a method for the determination of the roughness of paper and board using the Sheffield apparatus.
| Committee |
PAI/11
|
| DevelopmentNote |
Supersedes 03/306710 DC (03/2005) Supersedes 16/30325457 DC. (10/2017)
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This part of ISO8791 specifies a method for the determination of the roughness of paper and board using the Sheffield apparatus.
This part of ISO8791 is applicable to papers and boards which have Sheffield roughness values between 10 and about 3 000 ml/min. It is not suitable for soft papers which allow the lands of the test head to indent the surface, or for high air-permeance papers which allow a significant flow of air through the sheet, or for papers which will not lie flat during the test.
| Standards | Relationship |
| ISO 8791-3:2017 | Identical |
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