SN EN ISO 4638 : 1996
Current
The latest, up-to-date edition.
POLYMERIC MATERIALS, CELLULAR FLEXIBLE - DETERMINATION OF AIR FLOW PERMEABILITY
12-01-2013
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
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