NF EN ISO 75-2

June 2013

Standard Current

Plastics - Determination of temperature of deflection under load - Part 2 : plastics and ebonite

ISO 75-2:2013 specifies three methods, using different values of constant flexural stress, which can be used for the determination of the temperature of deflection under load of plastics (including filled plastics and fibre-reinforced plastics in which the fibre length, prior to processing, is up to 7,5 mm) and ebonite: method A, using a flexural stress of 1,80 MPa; method B, using a flexural stress of 0,45 MPa; method C, using a flexural stress of 8,00 MPa.

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Main informations

Collections

National standards and national normative documents

Publication date

June 2013

Number of pages

18 p.

Reference

NF EN ISO 75-2

ICS Codes

83.080.01 Plastics in general

Classification index

T51-005-2

Print number

1 - 17/06/2013

International kinship

ISO 75-2:2013

European kinship

EN ISO 75-2:2013

Sumary

Plastics - Determination of temperature of deflection under load - Part 2 : plastics and ebonite

method A, using a flexural stress of 1,80 MPa;
method B, using a flexural stress of 0,45 MPa;
method C, using a flexural stress of 8,00 MPa.

Replaced standards (1)

NF EN ISO 75-2

February 2005

Standard Cancelled

Plastics - Determination of temperature of deflection under load - Part 2 : plastics and ebonite

<p>ISO 75-2:2004 specifies three methods, using different values of constant flexural stress, that can be used for the determination of the temperature of deflection under load of plastics (including filled plastics and fibre-reinforced plastics in which the fibre length, prior to processing, is up to 7,5 mm) and ebonite:</p> <ul><li>method A, using a flexural stress of 1,80 MPa;</li><li>method B, using a flexural stress of 0,45 MPa;</li><li>method C, using a flexural stress of 8,00 MPa.</li></ul>

Table of contents

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Avant-propos
iv
Introduction
v
1 Domaine d'application
1
2 Références normatives
1
3 Termes et définitions
2
4 Principe
2
5 Appareillage
2
5.1 Moyens de produire une contrainte de flexion
2
5.2 Dispositif de chauffage
2
5.3 Poids
2
5.4 Instrument de mesure de température
2
5.5 Instrument de mesure du fléchissement
2
6 Éprouvettes
2
6.1 Généralités
2
6.2 Forme et dimensions
2
6.3 Vérification des éprouvettes
3
6.4 Nombres d'éprouvettes
3
6.5 Préparation des éprouvettes
3
6.6 Recuit
3
7 Conditionnement
3
8 Mode opératoire
3
8.1 Calcul de la charge à appliquer
3
8.2 Température initiale du dispositif de chauffage
4
8.3 Mesurage
4
9 Expression des résultats
4
10 Fidélité
4
11 Rapport d'essai
4
Annexe A (informative) Fidélité
5
Bibliographie
8

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