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NF EN ISO 2439 : 2009

Current
Current

The latest, up-to-date edition.

FLEXIBLE CELLULAR POLYMERIC MATERIALS - DETERMINATION OF HARDNESS (INDENTATION TECHNIQUE)
Published date

01-12-2013

Avant-propos
1 Domaine d'application
2 Références normatives
3 Termes et définitions
4 Principe
5 Appareillage
6 Éprouvettes
  6.1 Forme et dimensions
  6.2 Échantillons présentant une orientation
  6.3 Conditionnement
7 Mode opératoire
  7.1 Généralités
  7.2 Indentation préliminaire pour les Méthodes A, B et C
  7.3 Méthode A - Détermination de l'indice de dureté par
      indentation de 40%/30 s
  7.4 Méthode B - Détermination des caractéristiques de
      dureté par indentation de 25%-40%-65%/30 s
  7.5 Méthode C - Controle pour la détermination de la dureté
      par indentation de 40%
  7.6 Méthode D - Détermination de l'indice de dureté par
      indentation faible de 25%/20 s
  7.7 Méthode E - Détermination du coefficient de
      fléchissement en compression et du taux de
      perte par hystérésis
8 Essais répétés
9 Rapport d'essai
Annexe A (informative) Paramètres des méthodes d'essai
         et graphiques types
Annexe B (informative) Fidélité de la Méthode E
Bibliographie

Gives three methods to determine the indentation hardness of flexible cellular materials: Method A (indentation hardness index), gives a single indentation measurement for laboratory testing; Method B (indentation hardness characteristics), gives information about the shape of the hardness indentation curve; Method C (indentation hardness check), quick procedure suitable for quality control testing. The methods only apply to latex, urethane foam and PVC foam of the open cell type.

DevelopmentNote
Indice de classement: T56-111. PR NF EN ISO 2439 April 2000. (09/2002) Supersedes NFT 56 111. (08/2003) PR NF EN ISO 2439 December 2007. (12/2007)
DocumentType
Standard
PublisherName
Association Francaise de Normalisation
Status
Current
Supersedes

Standards Relationship
BS EN ISO 2439:2008 Identical
I.S. EN ISO 2439:2009 Identical
SN EN ISO 2439 : 2009 Identical
UNI EN ISO 2439 : 2009 Identical
UNE-EN ISO 2439:2009 Identical
DIN EN ISO 2439:2009-05 Identical
ISO 2439:2008 Identical
EN ISO 2439:2008 Identical

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