Airbus - A300 / A310 / A330 / A340 Flight Deck Replacement Windows

The all glass design for the Airbus A300/A310/A330/A340 features chemically strengthened glass, advanced urethane technology, and ant-ice/anti-fog coatings.  The all glass design is based on Herculite^® II chemically strengthened glass developed by PPG.  Herculite^® II is extensively used in commercial, regional, and general aviation aircraft.  Herculite^® II offers exceptional strength, excellent optical characteristics, and high strength to weight ratio compared to thermally tempered glass. 

It is used in transparency systems where designs require high strength to weight ratio, high performance, and long service life.  Additionally, it offers greater damage tolerance and scratch resistance as a result of its high surface hardness.  The unique properties of Herculite^® II chemically strengthened glass allow lightweight cockpit windows to be designed for structural, load bearing applications.  For these applications, aircraft loads are transferred through the cockpit window, thus allowing for reduced weight in the fuselage structure. 

Since its introduction, Herculite^® II chemically strengthened glass has been field proven in all cockpit window applications for both structural and nonstructural applications.  Herculite^® II is used on other commercial aircraft, including the Airbus A318, A319, A320, and A321.