NF EN ISO 13937-1 : 2000

Avant-propos
Introduction
1 Domaine d'application
2 Références normatives
3 Termes et définitions
4 Principe
5 Echantillonnage
6 Appareillage
7 Atmosphère de conditionnement et d'essai
8 Préparation des éprouvettes
9 Mode opératoire
10 Calcul et expression des résultats
11 Rapport d'essai
Annexe A (informative) - Réglage et vérification de l'appareil
                         d'essai
Annexe B (informative) - Suggestion de procédure d'échantillonnage
Annexe C (informative) - Exemple de prélèvement d'éprouvettes
                         dans un échantillon pour laboratoire
Bibliographie

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.