Cerakote Firearm Coatings improve performance and reliability over conventional finishes. See why more manufacturers choose Cerakote than any other finish. Cerakote is a ceramic based finish that can be applied to metals, plastics, polymers and wood. The unique formulation used for Cerakote ceramic coating enhances a number of physical performance properties including abrasion/wear resistance, corrosion resistance, chemical resistance, impact strength, and hardness.