NF EN ISO 7783

NF EN ISO 7783

December 2011
Standard Cancelled

Paints and varnishes - Determination of water-vapour transmission properties - Cup method

Le présent document spécifie une méthode permettant de déterminer les propriétés de transmission de la vapeur d'eau des revêtements de peinture, vernis et produits assimilés.

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Main informations

Collections

National standards and national normative documents

Publication date

December 2011

Number of pages

26 p.

Reference

NF EN ISO 7783

ICS Codes

87.040   Paints and varnishes

Classification index

T30-018

Print number

1 - 03/01/2012

International kinship

ISO 7783:2011

European kinship

EN ISO 7783:2011
Sumary
Paints and varnishes - Determination of water-vapour transmission properties - Cup method

Le présent document spécifie une méthode permettant de déterminer les propriétés de transmission de la vapeur d'eau des revêtements de peinture, vernis et produits assimilés.
Replaced standards (2)
NF EN ISO 7783-1
September 1999
Standard Cancelled
Paints and varnishes. Determination of water-vapour transmission rate. Part 1 : dish method for free films.

NF EN ISO 7783-2
July 1999
Standard Cancelled
Paints and varnishes. Coating materials and coating systems for exterior masonry and concrete. Part 2: determination and classification of water-vapour transmission rate (permeability).

Le présent document décrit la méthode de détermination de la perméabilité à la vapeur d'eau des systèmes de revêtement destinés à la maçonnerie et au béton extérieur, y compris aux supports poreux ; celle-ci est basée sur le principe de la méthode de la coupe pour film libre. Une classification en trois catégories est définie.

Standard replaced by (1)
NF EN ISO 7783
November 2018
Standard Current
Paints and varnishes - Determination of water-vapour transmission properties - Cup method

This document specifies a method for determining the water-vapour transmission properties of coatings of paints, varnishes and related products. It supplements ISO 12572. As far as possible, the procedure, the definitions and the calculations have been taken over from ISO 12572. ISO 12572 can be consulted, if necessary, to obtain a better understanding of the procedure specified in this document. Water-vapour transmission rates of more than 680 g/(m2⋅d) (i.e. water-vapour diffusion-equivalent air layer thicknesses, sd, of less than 0,03 m) are not accurately quantified by the test method described in this document.

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