NF EN 681-1/A1

Elastomeric seals - Material requirements for pipe joint seals used in water and drainage applications - Part 1: Vulcanized rubber

Le présent document modifie certaines valeurs spécifiées pour le mesurage de la relaxation de contrainte en compression. Il offre également la possibilité d'utiliser une huile différente pour la mesure de variation de volume et élargit l'échelle de valeur à respecter.

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