NEN-EN-ISO 7231
Polymeric materials, cellular flexible - Determination of air flow value at constant pressure-drop
inactive
| Organization: | NEN |
| Publication Date: | 1 May 2008 |
| Status: | inactive |
| Page Count: | 21 |
| ICS Code (Cellular materials): | 83.100 |
scope:
This International Standard 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.
Document History
September 1, 2023
Polymeric materials, cellular, flexible - Determination of air flow value at constant pressure-drop
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...
July 1, 2010
Polymeric materials, cellular, flexible - Determination of air flow value at constant pressure-drop
This International Standard specifies two methods for determining the air flow value of flexible cellular polymeric materials: - method A, for conventional types of flexible cellular polymeric...
August 1, 2009
Polymeric materials, cellular, flexible - Determination of air flow value at constant pressure-drop
This International Standard specifies two methods for determining the air flow value of flexible cellular polymeric materials: - method A, for conventional types of flexible cellular polymeric...
NEN-EN-ISO 7231
May 1, 2008
Polymeric materials, cellular flexible - Determination of air flow value at constant pressure-drop
This International Standard specifies two methods for determining the air flow value of flexible cellular polymeric materials: - method A, for conventional types of flexible cellular polymeric...
December 1, 1997
Polymeric materials, cellular flexible - Method of assessment of air flow value at constant pressure-drop
The air flow value may be used to give an indication of the effects of formulation and production variables on the cellular structure. Describes the method with an apparatus either for negative or...