Nanolaminate

Nanolaminate is a material used by the Covenant for use as armor plating on their ships.ships.

Physical Properties
Nanolaminate is an incredibly strong and heat resistant material which makes it perfect for use as armor plating. Due to its strength it is very difficult for most UNSC weapons to penetrate. However it is no match for the UNSC's Magnetic Accelerator Cannon with even the weakest MAC gun round piercing one of their hulls with ease.