Codes & Standards - Purchase
ISO 4638:1984
Polymeric materials, cellular flexible -- Determination of air flow permeability
SKU: iso_010595_103976
Published by ISO
Publication Year 1984
1 Edition
7 pages
Product Details
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.