NBN EN ISO 4638:1995
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NBN EN ISO 4638:1995

Polymeric materials, cellular flexible - Determination of air flow permeability (ISO 4638:1984)

Summary

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.

Technical characteristics

Publisher Bureau de Normalisation Belge (NBN)
Publication Date 10/03/1995
Cancellation Date 11/30/1995
Page Count 13
EAN ---
ISBN ---
Weight (in grams) ---
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