BS EN ISO 7231:2010

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Polymeric materials, cellular, flexible. Determination of air flow value at constant pressure-drop

Published By	Publication Date	Number of Pages
BSI	2010	20

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Description

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.

NOTE 1 Air flow values can be used to give an indication of the effects of formulation and production variables on the cellular structure.

NOTE 2 In this International Standard, the expression “conventional type of flexible cellular polymeric material” means types which are unsuitable for sealing purposes.

Additional information

Status	Withdrawn
Title	Polymeric materials, cellular, flexible. Determination of air flow value at constant pressure-drop
Replaces	BS EN ISO 7231:1998
Publisher	BSI
Committee	PRI/24
Pages	20
Publication Date	2010-08-31
Withdrawn Date	2023-08-24
Replaced By	BS EN ISO 7231:2023
ISBN	978 0 580 57625 6
Standard Number	BS EN ISO 7231:2010
Identical National Standard Of	EN ISO 7231:2010, ISO 7231:2010
Descriptors	Rubber, Flexible materials, Gas flow, Test specimens, Reports, Polymers, Test equipment, Testing conditions, Cellular materials, Air, Flow measurement, Plastics
ICS Codes	83.100 - Cellular materials

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BS EN ISO 7231:2010

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