UNI EN ISO 7231:2023
Current
Current
The latest, up-to-date edition.
Polymeric materials, cellular, flexible - Determination of air flow value at constant pressure-drop
Published date
26-10-2023
This document specifies two methods for determining the air flow value of flexible cellular polymeric materials: - method A, for conventional types of flexible cellular polymeric material; - method B, for all types of flexible cellular polymeric material, but especially for materials with a low permeability to air.
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