Aqua Aura Quartz This item was sourced on www.MFG.com as one of the items in an RFQ in USA for Thermal Coating Metal coating of quartz for jewelry and mineral collectors. Quote for 10lb minerals at various sizes(20- 200grams each). Metal that should be quoted is gold but please let buyer know what other metals supplier can provide (in comments). Part Part Number: AAQ Material: Alloy Steel Material Grade: Technical Specifications Category:Thermal Coating Dimensions0.0 x 0.0 inch Annual Usage:1000.0 Are you looking for suppliers (machine shops, fabricators, casters, molders, 3D printing, CNC machining, etc.) to provide manufacturing services for machine tool industry, automotive industry? For more information visit MFG.com. MFG.com performs a 5-point inspection on all engineered parts and RFQs to ensure quality and enhance your online quoting experience Thermal Coating: Thermal Spray processes melt a metal coating from powder, droplet, wire, or rod form, into a vapor that bonds to the part. These processes are done at extremely high temperatures. Thermal spray coatings have excellent corrosion resistance properties and are commonly used in outdoor structures, such as bridges and towers. Flame Spraying (FLSP) uses an oxyacetylene flame to melt the coatings. Plasma Arc Spraying (PSP) melts powders at very high temperatures, but allows the surface of the part to remain somewhat cooler. Electric Arc Spraying (EASP) uses electric arc to melt the coatings, generally in wire form and fed into the sprayer by a motor. A gas is used to then inject the melted droplets into the part's surface. Detonation Gun (D-Gun) melts the metal coating, in a powder form, by igniting explosive gas in a gun. High-velocity Oxy/Fuel (HVOF) uses oxygen, hydrogen, and gas, usually methane, to melt the metal coating, usually in a powder form.