Wear-resistant and reinforcing/strengthening, lubricative
conductive
Corrosion-potective
insulative
corrosion resistant
resistive
Hi temperature barrier (heat proof) (heat resistant) refractory
Barrier
antifriction, tear protective, score resistant
Decorative
Optic (antireflection, reflactive, thermalproof, erosiveproof, absorbent, scattering))
Antiemmision
Indicative
anti-stick