ISO 7231:2023
Current
The latest, up-to-date edition.
Polymeric materials, cellular, flexible — Determination of air flow value at constant pressure-drop
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
English, French
15-08-2023
This document specifies two methods for determining the air flow value of flexible cellular polymeric materials:
method B2: with automatic measurement.
NOTE1 Air flow values can be used to give an indication of the effects of formulation and production variables on the cellular structure.
NOTE2 In this document, the expression “conventional type of flexible cellular polymeric material” means types which are unsuitable for sealing purposes.
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