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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

NF L17-600-21 ; NF EN 2155-21:1989-08-01
Aerospace industry. Test methods for transparent materials for aircraft glazing. Part 21: Determination of resistance to crack propagation (K factor)

Title (German)

LUIFT- UND RAUMFAHRT. PRUEFVERFAHREN FUER TRANSPARENTE WERKSTOFFE ZUR VERGLASUNG VON LUFTFAHRZEUGEN. TEIL 21: BESTIMMUNG DES RISSPFORTPFLANZUNGSWIDERSTANDES (K-FAKTOR). (EUROPAEISCHE NORM EN 2155-21)

Edition 1989-08-01

Original language French

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

NF L17-600-21 ; NF EN 2155-21:1989-08-01 Aerospace industry. Test methods for transparent materials for aircraft glazing. Part 21: Determination of resistance to crack propagation (K factor)

Want to learn more?

NF L17-600-21 ; NF EN 2155-21:1989-08-01
Aerospace industry. Test methods for transparent materials for aircraft glazing. Part 21: Determination of resistance to crack propagation (K factor)