International Standard
ISO 4638:1984
Polymeric materials, cellular flexible — Determination of air flow permeability
Reference number
ISO 4638:1984
ISO 4638:1984
Edición 1
1984-05
1984-05
© ISO 2024
International Standard
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ISO 4638:1984
10595
No disponible en español
Publicado
(Edición 1, 1984)
Esta norma se revisó y confirmó por última vez en 2020.
Por lo tanto, esta versión es la actual.
Resumen
Applicable to test pieces cut from products of cellular materials. Useful for two purposes: a) studying the structure of cellular products in connection with their physical properties and their method of manufacture and b) ensuring product quality (quality assurance). Describes principle, apparatus, test piece and conditions, procedure and calculation and expression of the results. Three figures deliver the details for testing.
Informaciones generales
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Estado: PublicadoFecha de publicación: 1984-05Etapa: Norma Internacional confirmada [90.93]
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Edición: 1Número de páginas: 7
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Comité Técnico :ISO/TC 45/SC 4ICS :83.100
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