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BS ISO 2493-1:2010

Current
Current

The latest, up-to-date edition.

Paper and board. Determination of bending resistance Constant rate of deflection
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-04-2011

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Calibration
7 Sampling
8 Conditioning
9 Preparation of test pieces
10 Procedure
11 Calculation and expression of results
12 Test report
Annex A (informative) - Precision
Bibliography

Describes procedures, based on the two-point loading principle, for determining the bending resistance of paper and board.

This part of ISO2493 specifies procedures, based on the two-point loading principle, for determining the bending resistance of paper and board.

NOTE1 See ISO5628[1] for a detailed description of the two-point loading principle.

This part of ISO2493 applies to the measurement of the bending resistance within the range 20mN to 10000mN. It is not applicable to corrugated board but can be applicable to the components of such board.

The bending angle is 15° and the bending length is 50mm.

For samples having a bending resistance that is too low to measure with a bending length of 50mm, a shorter bending length, i.e. 10mm, can be used.

IMPORTANT — The results obtained when using different bending lengths will not be comparable.

For boards that tend to be permanently deformed if bent through 15°, the half bending angle, i.e. 7,5°, can be used.

NOTE2 Taber-type testers and testers using the principle of constant rate of deflection do not give comparable results. For this reason, ISO2493:1992 has been divided into two parts.

Committee
PAI/11
DevelopmentNote
Supersedes 09/30190545 DC. (04/2011) Together with BS ISO 2493-2, it supersedes BS 3748(1992). (11/2011)
DocumentType
Standard
Pages
20
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 2493-1:2010 Identical

ISO 187:1990 Paper, board and pulps — Standard atmosphere for conditioning and testing and procedure for monitoring the atmosphere and conditioning of samples
TAPPI T 489 : 2013 BENDING RESISTANCE (STIFFNESS) OF PAPER AND PAPERBOARD (TABER-TYPE TESTER IN BASIC CONFIGURATION)
ISO 5628:2012 Paper and board — Determination of bending stiffness — General principles for two-point, three-point and four-point methods
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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