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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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
31-10-2017
English
15-05-1996
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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Superseded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 |
| DEFSTAN 81-147/1(2017) : 2017 | WATER-VAPOUR RESISTANT MATERIAL AND BAGS FOR PACKAGING |
| DEFSTAN 81-101/2(2008) : 2008 | REUSABLE WATER VAPOUR RESISTANT BAGS FOR ENGINE CHANGE UNITS, PROPULSION UNITS AND ASSOCIATED EQUIPMENT |
| DEFSTAN 81-101/3(2016) : 2016 | REUSABLE WATER VAPOUR RESISTANT BAGS FOR ENGINE CHANGE UNITS, PROPULSION UNITS, AND ASSOCIATED EQUIPMENT |
| BS 7825-3.3:1997 | Calibration of rubber and plastics test equipment. Calibration schedules Mechanical properties of plastics |
| ISO 209-1:1989 | Wrought aluminium and aluminium alloys Chemical composition and forms of products Part 1: Chemical composition |
| BS 7406:1991 | Methods for determination of water vapour transmission rate of sheet materials (paper and board) by dynamic sweep and static gas methods |
| ISO 2233:2000 | Packaging Complete, filled transport packages and unit loads Conditioning for testing |
| ISO 186:2002 | Paper and board — Sampling to determine average quality |
| BS EN 20187:1993 | Paper, board and pulps. Standard atmosphere for conditioning and testing and procedure for monitoring the atmosphere and conditioning of samples |
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