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BS EN ISO 7231:2010

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Polymeric materials, cellular, flexible. Determination of air flow value at constant pressure-drop
Available format(s)

Hardcopy , PDF

Superseded date

24-08-2023

Language(s)

English

Published date

31-08-2010

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Method A
6 Method B
Annex A (informative) - Automatic measurements in
                        method B

Defines two methods for determining the air flow value of flexible cellular polymeric materials: - method A, for conventional types of flexible cellular polymeric material; - method B, for all types of flexible cellular polymeric material, but especially for materials with a low permeability to air.

This International Standard specifies two methods for determining the air flow value of flexible cellular polymeric materials:

  • method A, for conventional types of flexible cellular polymeric material;

  • method B, for all types of flexible cellular polymeric material, but especially for materials with a low permeability to air.

NOTE1 Air flow values can be used to give an indication of the effects of formulation and production variables on the cellular structure.

NOTE2 In this International Standard, the expression “conventional type of flexible cellular polymeric material?? means types which are unsuitable for sealing purposes.

Committee
PRI/24
DevelopmentNote
Supersedes 08/30155570 DC. (08/2010) Reviewed and confirmed by BSI, August 2015. (07/2015)
DocumentType
Standard
Pages
20
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

ISO/TR 9272:2005 Rubber and rubber products Determination of precision for test method standards

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PDF - English
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