GSO ISO 7231:2015
ISO 7231:2010
Gulf Standard
Current Edition
·
Approved on
03 September 2015
Polymeric materials, cellular, flexible -- Determination of air flow value at constant pressure-drop
GSO ISO 7231:2015 Files
English
11 Pages
Current Edition
Reference Language
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GSO ISO 7231:2015 Scope
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.
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