Table of Contents

Foreword<br>1 Scope<br>2 Terms and definitions<br>3 Principle<br>4 Test specimens<br>5 Conditioning<br>6 Apparatus, procedure, and calculation<br>7 Test conditions<br>8 Test result<br>9 Precision<br>10 Test report<br>Annex A (normative) - Optical measurement method<br>Annex B (normative) - Electrical measurement method<br>Annex C (normative) - Corrosion area evaluation method<br>Bibliography

Abstract

Defines a method for determining the water vapour transmission rate of plastic film, plastic sheeting, and multi-layer structures including plastics based on measurements of calcium degradation due to the reaction with water.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	British Standards Institution
Pages
ISBN
Committee	PRI/75
Supersedes	14/30297331 DC : 0