I.S. EN 2155-21:1989
Current
The latest, up-to-date edition.
Aerospace series - Test methods for transparent materials for aircraft glazing - Part 21: Determination of resistance to crack propagation (K factor)
Hardcopy , PDF
English
12-21-1990
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
National foreword
Brief history
1. Scope and field of application
2. Definitions
3. Apparatus
4. Specimens
5. Conditioning
6. Procedure
7. Expression of results
8. Test report
National appendix A
Cooperating organizations
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