UNI EN ISO 4638 : 1997
Current
The latest, up-to-date edition.
POLYMERIC MATERIALS, CELLULAR FLEXIBLE - DETERMINATION OF AIR FLOW PERMEABILITY
06-30-1997
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
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.