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NEN EN ISO 13937-4 : 2000

Current
Current

The latest, up-to-date edition.

TEXTILES - TEAR PROPERTIES OF FABRICS - PART 4: DETERMINATION OF TEAR FORCE OF TONGUE-SHAPED TEST SPECIMENS (DOUBLE TEAR TEST)
Published date

01-12-2013

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Sampling
6 Apparatus
7 Atmosphere for conditioning and testing
8 Preparation of test specimens
9 Procedure
10 Calculation and expression of results
11 Test report
Annex A (informative) Suggested procedure for sampling
Annex B (informative) Example of pattern for cutting out
                      test specimens from the laboratory
                      sample
Annex C (informative) Sample calculation of tear force
Bibliography

Describes a double-tear procedure known as the tongue test, with a test specimen with cuts that are shaped to form a tongue. The tear force measurement is the force needed to propagate the previously started double tears when the force is applied parallel to the cuts and the fabric tears in the direction of the force. Applies mainly to woven textile fabrics but also covers fabrics produced by other techniques, such as some nonwovens. Does not generally apply to woven elastic fabrics and knitted fabrics.

DocumentType
Standard
PublisherName
Netherlands Standards
Status
Current

Standards Relationship
EN ISO 13937-4 : 2000 Identical
UNE-EN ISO 13937-4:2001 Identical
UNI EN ISO 13937-4 : 2002 Identical
DIN EN ISO 13937-4:2000-06 Identical
BS EN ISO 13937-4:2000 Identical
ISO 13937-4:2000 Identical

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