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prEN ISO 4638

Polymeric materials, cellular flexible - Determination of air flow permeability (ISO/FDIS 4638:2026)

General information

Draft
Base Documents
ISO/FDIS 4638; prEN ISO 4638
ICS Groups
83.100 Cellular materials
Directives or regulations
None
You can view draft standards in the Commenting portal🡭.

Standard history

Status
Date
Type
Name
Main
prEN ISO 4638
01.01.2000
Main
EVS-EN ISO 4638:2000
Main
EVS-EN ISO 845:2000
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.

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Standard monitoring

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Main

EVS-EN ISO 2440:2019

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Withdrawn from 01.08.2025
Main

EVS-EN ISO 1856:2018

Flexible cellular polymeric materials - Determination of compression set (ISO 1856:2018)
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Main

EVS-EN ISO 5999:2013

Flexible cellular polymeric materials - Polyurethane foam for load-bearing applications excluding carpet underlay - Specification (ISO 5999:2013)
Newest version Valid from 14.11.2013
Main

EVS-EN ISO 845:2010

Cellular plastics and rubbers - Determination of apparent density
Newest version Valid from 04.03.2010

Standards designation

EVSEstonian standard
ENEuropean standard (published by an CEN or CENELEC)
EN ISOInternational standard adopted as an European standard
ISOInternational Organization for Standardization’s standard
IECInternational Electrotechnical Commission’s standard
HDCENELEC’s harmonisation document
EVS-ENEuropean standard implemented in Estonia
EVS-EN ISOInternational standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IECInternational standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IECInternational electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
 
A, AMDamedment
+Aa full standard plus the amendment
/Aonly amendment
COR, ACcorrigendum
+CORa full standard plus the corrigendum
NAnational annex
+NAa full standard plus the national annex
/NAonly national annex
TStechnical specification
TRtechnical report
CWAagreement, developed by a CEN or CENELEC
prEVS-EN (etc)draft standard
 
etthe standard is in Estonian only
enthe standard is in English only
et-enthe standard is in Parallel text Estonian-English