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Standard ÖNORM EN ISO 7231 15.11.2023 preview

ÖNORM EN ISO 7231

Polymeric materials, cellular, flexible - Determination of air flow value at constant pressure-drop (ISO 7231:2023)

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STANDARD published on 15.11.2023


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The information about the standard:

Designation standards: ÖNORM EN ISO 7231
Publication date standards: 15.11.2023
SKU: NS-1160034
The number of pages: 21
Approximate weight : 63 g (0.14 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM

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Cellular materials

Annotation of standard text ÖNORM EN ISO 7231 :

Dieses Dokument legt zwei Verfahren zur Bestimmung der Luftdurchlässigkeit(-swerte) von weich-elastischen Polymerschaumstoffen fest: - Verfahren A für die herkömmlichen Typen weich-elastischer Polymerschaumstoffe; - Verfahren B für alle Arten weich-elastischer Polymerschaumstoffe, jedoch insbesondere für Materialien mit geringer Luftdurchlässigkeit. Für Verfahren B sind in diesem Dokument zwei Verfahren festgelegt: - Verfahren B1: mit manuellem Messverfahren; - Verfahren B2: mit automatischem Messverfahren.

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