ISO/FDIS 4638

Polymeric materials, cellular flexible — Determination of air flow permeability

Опште информације

Trenutna faza: 50.20 Effective date: 7. 8. 2026.

Inicijator: ISO

Pripada: ISO/TC 45/SC 4

Vrsta: Međunarodni standard

Apstrakt

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.

Životni ciklus

PRETHODNO

OBJAVLJEN
ISO 4638:1984

TRENUTNO

PROJEKAT
ISO/FDIS 4638
50.20 Početak postupka odobravanja definitivnog teksta nacrta standarda
7. 8. 2026.

Nacionalna preuzimanja

naSRPS EN ISO 4638:2026

ISS

Fleksibilni polimerni materijali sa ćelijama- Određivanje propustljivosti struje vazduha

40.20 Nacrt na javnoj raspravi 60 dana

G061 Saznaj više

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