ČSN EN ISO 7231

Polymeric materials, cellular, flexible - Determination of air flow value at constant pressure-drop

Available languages: English

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Detail information

Designation: ČSN EN ISO 7231

Publication date: 01/01/2024

Pages: 28

Country: Czech technical standard

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Anotation

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.
For method B, two methods are specified in this document:
- method B1: with manual measurement;
- method B2: with automatic measurement

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