🔍
Purchase the full subscription package now and enjoy a 40% discount, along with free updates for future editions.
AS 1301.439:2019
$125.14
Methods of test for pulp and paper, Method 439: Bendtsen roughness of paper and paperboard (ISO 8791-2:2013, MOD)
The objective of this Standard is to specify a method for the determination of the roughness of paper and board using the Bendtsen apparatus.
Table of contents
Header
About this publication
Preface
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
5.1 Bendtsen tester (two types)
5.2 Variable-area flowmeter type
5.2.1
5.2.2
5.2.3
5.2.4
5.2.5
5.2.6
5.2.7
5.3 Electronic flowmeter type
5.3.1
5.3.2
5.3.3
5.3.4
5.3.5
5.3.6
5.3.7
6 Sampling
7 Conditioning
8 Preparation of test pieces
9 Calibration and verification
9.1 Variable-area flowmeter type tester
9.2 Electronic flowmeter type tester
10 Procedure
10.1 Test atmosphere
10.2 Determination using variable-area flowmeter type tester
10.2.1
10.2.2
10.2.3
10.2.4
10.2.5
10.2.6
10.2.7
10.2.8
10.3 Determination using electronic flowmeter type tester
10.3.1
10.3.2
10.3.3
10.3.4
10.3.5
11 Expression of results
11.1
11.2
12 Test report
Annex A
A.1 Checking for air leaks
A.2 Manostat weight
A.3 Movement of floats
A.4 Cleaning variable-area flowmeters
A.5 Air tubes
A.6 Capillary tubes
Annex B
B.1 Checking variable-area flowmeters with capillary tubes
B.2 Checking calibration of variable-area and electronic flowmeters
B.2.1 General
B.2.2 Apparatus and materials
B.2.2.1
B.2.2.2
B.2.2.3
B.2.2.4
B.2.3 Procedure
B.2.3.1
B.2.3.2
B.2.4 Calculation
B.3 Checking the calibration of capillary tubes
Annex C
C.1 General
C.2 Reproducibility
Bibliography
Appendix ZZ
ZZ.1 Scope
ZZ.2 Variations
Cited references in this standard
Please select a variation to view its description.
| Published | 22/05/2019 |
|---|---|
| Pages | 17 |
Please select a variation to view its pdf.
