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BS EN ISO 13937-4:2000

Current
Current

The latest, up-to-date edition.

Textiles. Tear properties of fabrics Determination of tear force of tongue-shaped test specimens (double tear test)
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-06-2000

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 method known as the tongue test, using a test specimen with cuts shaped to form a tongue.

This Part of EN ISO 13937 describes a double-tear method known as the tongue test, using a test specimen with cuts shaped to form a tongue. The tear force measured is the force required 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 applied force.

The test is mainly applicable to woven textile fabrics. It may be applicable to fabrics produced by other techniques, e.g. to some nonwovens (with the same under-mentioned restrictions as for the woven fabrics).

In general the method is not applicable to knitted fabrics and woven elastic fabrics.

The method only allows the use of constant-rate-of-extension (CRE) testing machines.

NOTE 1: For other tear test methods using tensile-testing machines part 2 of EN ISO 13937 describes a method known as trouser test and part 3 a wing test method. Part 1 of EN ISO 13937 describes the ballistic pendulum (Elmendorf) method.

NOTE 2: For the trapezoidal test methods see ISO 9073-4 for nonwovens or ISO 4674 for coated fabrics.

Committee
TCI/100
DevelopmentNote
Supersedes 95/122673 DC. (08/2004)
DocumentType
Standard
Pages
20
PublisherName
British Standards Institution
Status
Current
Supersedes

13/30287913 DC : 0 BS 7971-10 - PROTECTIVE CLOTHING AND EQUIPMENT FOR USE IN VIOLENT SITUATIONS AND IN TRAINING - PART 10: COVERALLS - REQUIREMENTS AND TEST METHODS
BS 7971-10:2014 Protective clothing and equipment for use in violent situations and in training Coveralls. Requirements and test methods

EN ISO 13937-1:2000/AC:2006 Textiles - Tear properties of fabrics - Part 1: Determination of tear force using ballistic pendulum method (Elmendorf) (ISO 13937-1:2000/Cor.1:2004)
ISO 13934-1:2013 Textiles — Tensile properties of fabrics — Part 1: Determination of maximum force and elongation at maximum force using the strip method
EN ISO 13937-2 : 2000 TEXTILES - TEAR PROPERTIES OF FABRICS - PART 2: DETERMINATION OF TEAR FORCE OF TROUSER-SHAPED TEST SPECIMENS (SINGLE TEAR METHOD) (ISO 13937-2:2000)
ISO 13934-2:2014 Textiles Tensile properties of fabrics Part 2: Determination of maximum force using the grab method
ISO 13937-1:2000 Textiles — Tear properties of fabrics — Part 1: Determination of tear force using ballistic pendulum method (Elmendorf)
ISO 9073-4:1997 Textiles Test methods for nonwovens Part 4: Determination of tear resistance
EN ISO 13934-1:2013 Textiles - Tensile properties of fabrics - Part 1: Determination of maximum force and elongation at maximum force using the strip method (ISO 13934-1:2013)
ISO 13935-2:2014 Textiles — Seam tensile properties of fabrics and made-up textile articles — Part 2: Determination of maximum force to seam rupture using the grab method
EN ISO 13935-2:2014 Textiles - Seam tensile properties of fabrics and made-up textile articles - Part 2: Determination of maximum force to seam rupture using the grab method (ISO 13935-2:2014)
EN ISO 13934-2:2014 Textiles - Tensile properties of fabrics - Part 2: Determination of maximum force using the grab method (ISO 13934-2:2014)
ISO 13937-3:2000 Textiles — Tear properties of fabrics — Part 3: Determination of tear force of wing-shaped test specimens (Single tear method)
EN ISO 13935-1:2014 Textiles - Seam tensile properties of fabrics and made-up textile articles - Part 1: Determination of maximum force to seam rupture using the strip method (ISO 13935-1:2014)
EN ISO 13937-3 : 2000 TEXTILES - TEAR PROPERTIES OF FABRICS - PART 3: DETERMINATION OF TEAR FORCE OF WING-SHAPED TEST SPECIMENS (SINGLE TEAR METHOD) (ISO 13937-3:2000)
ISO 139:2005 Textiles Standard atmospheres for conditioning and testing
ISO 7500-1:2015 Metallic materials Calibration and verification of static uniaxial testing machines Part 1: Tension/compression testing machines Calibration and verification of the force-measuring system
ISO 4674:1977 Fabrics coated with rubber or plastics Determination of tear resistance
ISO 10012-1:1992 Quality assurance requirements for measuring equipment Part 1: Metrological confirmation system for measuring equipment
ISO 13935-1:2014 Textiles Seam tensile properties of fabrics and made-up textile articles Part 1: Determination of maximum force to seam rupture using the strip method

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