... for coating substrates including:Metallic materials: various pure metals, alloys, stainless steel, galvanized materials Non-metallic materials: glass ... Various coating materials can be applied including: Pure metals: Gold, Platinum, Silver, Chromium, Nickel, Copper, Aluminum ... , Molybdenum. Non metals: Silicon, Graphite. TiN: hardness 2300~2500HV, friction factor ...