Final Draft
International Standard
ISO/FDIS 4638
Polymeric materials, cellular flexible — Determination of air flow permeability
Reference number
ISO/FDIS 4638
Edition 2
Proyecto final Norma internacional
ISO/FDIS 4638
93769
Este borrador está en fase de aprobación.
Reemplazará ISO 4638:1984

Resumen

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.

Informaciones generales

  •  : En desarrollo
    : Texto final recibido o FDIS registrado para su aprobación formal [50.00]
  •  : 2
  • ISO/TC 45/SC 4
    83.100 
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