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BS EN ISO 13937-1:2000

Current

Current

The latest, up-to-date edition.

Textiles. Tear properties of fabrics Determination of tear force using ballistic pendulum method (Elmendorf)

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-06-2000

€156.59
Excluding VAT

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) Adjustment and verification of
apparatus
Annex B (informative) Suggested procedure for sampling
Annex C (informative) Example of pattern for cutting out
test specimens from the laboratory sample
Bibliography

Outlines a method known as ballistic pendulum (Elmendorf) method for determining the tear force of textile fabrics. Outlines the measurement of the tear force needed to propagate a single-rip tear of specified length from a cut in a fabric when a sudden force is applied. Mainly covers woven textile fabrics, and could apply to those made by other techniques, for example to nonwovens. The test does not generally cover knitted and woven elastic fabrics, and is not suited for highly anisotropic or loose fabrics where tear transfer from one direction to another of the fabric during the tear test is likely to happen.

Committee
TCI/100
DevelopmentNote
Supersedes 95/122670 DC (08/2004)
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Current
Supersedes

This part of EN ISO 13937 describes a method known as the ballistic pendulum (Elmendorf) method for the determination of tear force of textile fabrics. The method describes the measurement of the tear force required to propagate a single-rip tear of defined length from a cut in a fabric when a sudden force is applied.

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

In general the test is not applicable to knitted fabrics and woven elastic fabrics. It is not suitable for highly anisotropic fabrics or loose fabrics where tear transfer from one direction to another direction of the fabric during the tear test is likely to occur.

NOTE 1: For tests using tensile-testing machines part 2 of EN ISO 13937 describes a single tear method known as the trouser test, part 3 the wing test and part 4 the tongue test method.

NOTE 2: For the ballistic pendulum method for coated fabrics see ISO 4674-2. For the trapezoidal test method, see ISO 9073-4 for nonwovens or ISO 4674 for coated fabrics.

ISO 1974:2012 Paper — Determination of tearing resistance — Elmendorf method
ISO 139:2005 Textiles — Standard atmospheres for conditioning and testing
ISO 10012-1:1992 Quality assurance requirements for measuring equipment Part 1: Metrological confirmation system for measuring equipment

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