ISO 4638:1984

Polymeric materials, cellular flexible — Determination of air flow permeability

OVERVIEW

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.

COMMENTS

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PRODUCT DETAILS

Status Current
Edition 1984
No. of Pages 7
ICS Classification 83.100 Cellular materials
Committee ISO/TC 45/SC 4
Available for Purchase For sale in Singapore only
Adoption ISO