UNI EN ISO 4638 : 1997
Current
The latest, up-to-date edition.
POLYMERIC MATERIALS, CELLULAR FLEXIBLE - DETERMINATION OF AIR FLOW PERMEABILITY
30-06-1997
Committees responsible
National foreword
Foreword
Method
0. Introduction
1. Scope and field of application
2. References
3. Principle
4. Symbols and terminology
5. Apparatus
6. Test pieces
7. Testing conditions
8. Procedure
9. Calculation and expression of results
10. Test report
Figures
1. Basic principle of the test (according to Darcy's laws)
2. Schematic diagram of an airflow permeability apparatus
3. Measurement cell (cylindrical section)
Annex
ZA. (normative) Normative references to international
publications with their relevant European publications
Specifies a method for the determination of the permeability of flexible cellular polymeric materials to air flow.
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Current
|
| Standards | Relationship |
| EN ISO 4638:1995 | Identical |
| NBN EN ISO 4638 : 1995 | Identical |
| ISO 4638:1984 | Identical |
| I.S. EN ISO 4638:1996 | Identical |
| UNE-EN ISO 4638:1996 | Identical |
| NEN EN ISO 4638 : 1995 | Identical |
| BS EN ISO 4638:1995 | Identical |
| NF EN ISO 4638 : 1995 | Identical |
| SN EN ISO 4638 : 1996 | Identical |
| NS EN ISO 4638 : 1ED 1995 | Identical |
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