Paper and board. Determination of roughness/smoothness (air leak methods) Bendtsen method

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-01-2014

Publisher

British Standards Institution

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 and verification
10 Procedure
11 Expression of results
12 Test report
Annex A (normative) - Care and maintenance of variable-area
flowmeter-type Bendtsen testers
Annex B (normative) - Calibration of capillary tubes and
variable-area and electronic flowmeters
Annex C (informative) - Precision
Bibliography

Provides a method for the determination of the roughness of paper and board using the Bendtsen apparatus.

This part of ISO8791 specifies a method for the determination of the roughness of paper and board using the Bendtsen apparatus.

This part of ISO8791 is applicable to paper and board which have Bendtsen roughness values between about 5ml/min and 3000ml/min when measured with variable-area type testers and between about 50ml/min and 5000 ml/min when measured with electronic type testers. It is not suitable for soft papers which allow the land to make a significant impression on the surface or for high-air-permeance papers which allow a significant flow of air to pass through the sheet, or for papers which will not lie flat under the measuring head.

Committee	PAI/11
DevelopmentNote	Supersedes BS 4420(1990) & 12/30242237 DC. (01/2014)
DocumentType	Standard
Pages	26
PublisherName	British Standards Institution
Status	Current
Supersedes	BS 4420:1990 12/30242237 DC : 0

Standards	Relationship
ISO 8791-2:2013	Identical

ISO 187:1990	Paper, board and pulps — Standard atmosphere for conditioning and testing and procedure for monitoring the atmosphere and conditioning of samples
ISO/TR 24498:2006	Paper, board and pulps Estimation of uncertainty for test methods
ISO 186:2002	Paper and board — Sampling to determine average quality
TAPPI T 1200 : 2014	INTERLABORATORY EVALUATION OF TEST METHODS TO DETERMINE TAPPI REPEATABILITY AND REPRODUCIBILITY

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BS ISO 8791-2:2013

Current

Table of Contents

Abstract

Scope

General Product Information

International Equivalents

Standards Referencing This Book

Category

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