NEN-EN-ISO 4638
Polymeric materials, cellular flexible - Determination of air flow permeability
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 June 1995 |
| Status: | active |
| Page Count: | 18 |
| ICS Code (Cellular materials): | 83.100 |
scope:
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.
Document History
NEN-EN-ISO 4638
June 1, 1995
Polymeric materials, cellular flexible - Determination of air flow permeability
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...