BS 2782-8:Method 820A:1996
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Methods of testing plastics. Other properties Determination of water vapour transmission rate (dish method)
Hardcopy , PDF
English
15-05-1996
31-10-2017
Committees responsible
National foreword
Introduction
Method
1 Scope
2 Normative references
3 Definition
4 Principle
5 Apparatus and material
6 Sampling
7 Conditioning
8 Preparation
9 Preparation of dishes
10 Procedure
11 Expression of results
12 Precision
13 Test report
Annexes
A (normative) Method for determination of water
vapour transmission rate of creased materials
B (normative) Test conditions
C (informative) Sealing waxes
Figures
1 Examples of test dishes and templates
2 Detail of sealing test piece
A.1 Example of cutting template
A.2 Making the creases
Specifies a method for the determination of water vapour transmission rate of sheet materials. Can not be applied to film materials that are damaged by hot wax or that shrink to an appreciable extent under the test conditions used.
| Committee |
PAI/11
|
| DevelopmentNote |
Supersedes 93/310370 DC and BS 2782-8.820A(1992) (06/2005)
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
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