TIE pilot's helmets were made out of denscris.
Denscris was a durable material with a very high melting point, out of which Imperial pilots' helmets were made.
Appearances
"MedStar: Intermezzo" — Star Wars Insider 83 (reprinted in Hyperspace: The Official Star Wars Fan Club)- Coruscant Nights I: Jedi Twilight (as densecris)
- Death Star (specifically mentioned as densecris)
- Star Wars: Shadows of the Empire novel (First mentioned, in book)
