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ISO 4638:1984

Current Revision

Polymeric materials, cellular flexible - Determination of air flow permeability

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Applicable to test pieces cut from products of cellular materials. Useful for two purposes: a) studying the structure of cellular products in connection with their physical properties and their method of manufacture and b) ensuring product quality (quality assurance). Describes principle, apparatus, test piece and conditions, procedure and calculation and expression of the results. Three figures deliver the details for testing.


SDO ISO: International Organization for Standardization
Document Number ISO 4638
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 45/WG 7
Publish Date Document Id Type View
Not Available ISO 4638:1984 Revision