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ILNAS-EN ISO 4638:1995 Edition 05/1995
Polymeric materials, cellular flexible - Determination of air flow permeability (ISO 4638:1984)
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Abstract

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.

Status

Standard - Active

Origin

Technical Committee :
CEN/TC 249 : Plastics

Implementation

start of the vote on the project    01/09/1993   date of ratification (dor)    11/05/1995
end of the vote on the project    01/12/1993   date of anouncement (doa)    31/08/1995
start of the vote on the final project    09/07/1994   date of publication (dop)    30/11/1995
end of the vote on the final project    09/09/1994   date of withdrawal (dow)    30/11/1995


Publication Official Journal
of the Grand-Duchy of Luxembourg
24/08/1995
Reference

International Classification for Standards (ICS codes) :

83.100 : Cellular materials

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