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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

ISO 4638
Polymeric materials, cellular flexible; Determination of air flow permeability

Title (German)

Weichelastische Schaumstoffe; Bestimmung der Luftstromdurchlässigkeit

Responsible national committee

NA 062-04-37 AA - Testing of flexible and rigid cellular materials

Responsible international committee

ISO/TC 45/SC 4/WG 8 - Flexible and semi-rigid cellular material

Edition 1984-05

Original language English

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

ISO 4638 Polymeric materials, cellular flexible; Determination of air flow permeability

Responsible national committee

Responsible international committee

Daniel Müller

Want to learn more?

ISO 4638
Polymeric materials, cellular flexible; Determination of air flow permeability