ISO-4638 › Polymeric materials, cellular flexible - Determination of air flow permeability

ISO-4638 - 1ST EDITION - CURRENT


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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.

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83.100 (Cellular materials)

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Document Number

ISO 4638:1984

Revision Level

1ST EDITION

Status

Current

Publication Date

May 15, 1984

Committee Number

ISO TC 45/WG 7