Aerospace series; test methods for transparent materials for aircraft glazing; Part 21: Determination of resistance to crack propagation (K-factor)
STANDARD published on 1.9.1997
Designation standards: ČSN EN 2155-21
Classification mark: 317370
Catalog number: 26111
Publication date standards: 1.9.1997
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
Tato norma stanoví určování odolnosti tuhých transparentních desek proti šíření trhlin