Paper and board. Determination of bending stiffness. Resonance method

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

12-22-2017

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Sampling
7 Conditioning
8 Preparation of the test piece
9 Procedure
10 Expression of results
11 Precision - Repeatability
12 Test report
Annex A (informative) - Theoretical basis of test method
Annex B (informative) - Precision
Bibliography

Describes a method for the determination of bending stiffness using the resonance method.

This document specifies a method for the determination of bending stiffness using the resonance method. This method gives only a single result for each test piece tested, although in general, bending stiffness values may depend on which surface of the material forms the inner surface of the arc resulting from bending forces. The bending stiffness of a very wide range of papers and boards can be measured using this method. However, for some materials, such as those listed below, the measured numerical values will not be strictly identical with bending stiffness as defined in 3.1: multi-ply papers and boards in which the component plies can move separately during a test; papers and boards with appreciable curl, especially if the axis of the curl is in the long direction of the test piece; some soft papers with grammage below about 40g/m2. This method is not applicable to corrugated boards.

Committee	PAI/11
DocumentType	Standard
Pages	22
PublisherName	British Standards Institution
Status	Current

Standards	Relationship
ISO 5629:2017	Identical

ISO 5725-1:1994	Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
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
ISO 536:2012	Paper and board Determination of grammage
TAPPI T 1200 : 2014	INTERLABORATORY EVALUATION OF TEST METHODS TO DETERMINE TAPPI REPEATABILITY AND REPRODUCIBILITY

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BS ISO 5629:2017

Current

Table of Contents

Abstract

Scope

General Product Information

International Equivalents

Standards Referencing This Book

Category

Subcategory

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