NF EN ISO 7783-1 : 1999

Committees responsible
National foreword
Introduction
1 Scope
2 Normative references
3 Definition
4 Principle
5 Significance of the test
6 Required supplementary information
7 Apparatus and equipment
8 Sampling
9 Preparation of test pieces
10 Procedure
11 Expression of results
12 Precision
13 Test report
Annex A (normative) Required supplementary information
Annex B (normative) Test conditions
Annex C (normative) Dry-dish procedure
Annex D (normative) Use of molten wax for sealing test
                    dishes
Annex ZA (normative) Normative references to international
                     publications with their relevant
                     European publications
Figure D.1 - Examples of circular test dishes and templates
Table 1

Defines a method for determining the water-vapour transmission rate of an unsupported film of paint, varnish or related product. Applies to the transmission of water vapour in either direction through a paint of film.