Coating Services

Coating services coat or plate the surfaces of manufactured components. Coating processes include ceramic, coil, dip, dry lubricant, phosphate, powder, rubber, thin film, titanium, and selective coating. Coating services also perform chemical finishing, galvanizing, hardfacing, painting, thermal spraying, and screen printing. Plating deposits a metal salt solution onto a metal or conductive surface. Electroplating requires the application of DC power. Electroless plating does not. Common plating materials include brass, cadmium, chrome, copper, gold, nickel, platinum, rhodium, silver, tin, tin-lead, titanium, and zinc. Some coating services process new components or original equipment manufacturer (OEM) parts. Others restore damaged surfaces or provide services at customer sites or in the field. Coating services are located across the United States and around the world. Many meet International Standards Organization (ISO) requirements or automotive, aerospace, military, or OEM specifications. 

Coating services use a variety of equipment, techniques, and materials to coat part surfaces. Ceramic coatings exhibit excellent resistance to wear, heat, and aqueous corrosion. They also provide excellent electrical insulation. Coil coating is a continuous, high speed, roll-to-roll process for coating metal. In dip coating or immersion coating, parts are dipped or immersed into a bath or tanks filled with a liquid coating solution. Dry lubricants are used to coat surfaces such as machine parts, fittings, cams, springs, gears, cables, and elastomeric gaskets. Phosphate coatings are applied to steel, iron, castings, and steel-based substrates to protect metal from corrosion and to improve coating adhesion. Powder coating is a finishing technology in which dry paint particles are electrostatically charged and then applied to a grounded part. Thin film coating techniques include physical vapor deposition (PVD) and chemical vapor deposition (CVD). Titanium nitride (TiN) is an extremely hard, thin film coating applied mostly to precision metal parts. Galvanizing immerses clean, oxide-free iron or steel into molten zinc in order to apply a zinc coating that is metallurgically bonded to the iron or steel surface. Hardfacing welds materials with different properties to a substrate. Thermal spraying is a continuous coating process that melts the consumable material into droplets and impinges these droplets on the substrate. 

Coating services often perform secondary activities such as cleaning, parts washing, finishing, and surface treatment. Cleaning and parts washing processes include thermal cleaning, degreasing, spray washing, immersion washing, stripping or coating removal, and ultrasonic cleaning. Finishing and surface treatment processes include blasting, buffing, deburring, deflashing, polishing, electropolishing, honing, mass finishing, mirror finishing, oxygen cleaning, passivation, picking, sanding, and grinding. Some coating services process new components or original equipment manufacturer (OEM) parts. Others restore damaged surfaces or provide services at customer sites or in the field. 

Coating services vary in terms of material processing capabilities and certification or quality requirements. Some companies process parts made from aluminum, copper, nickel, iron, cast iron, steel, stainless steel, and precious metals. Others process ceramics, metallized ceramics, composites, carbides, glass, plastics and polymers. Certification and quality requirements include ISO 9001:2000, ISO TS16949, AS 9100, and QS 9000. AS 9100 is a set of quality guidelines and requirements published by the Society of Automotive Engineers (SAE) in cooperation with major aerospace manufacturers. QS 9000 is a quality standard for suppliers of DaimlerChrysler Corporation, Ford Motor Company, and General Motors Corporation. Companies that meet U.S. military specifications (MIL-SPEC) and comply with OEM-specific requirements also provide coating services.

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• Space Age Coatings Increase Service Life Of Pumps Operating In
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Part Numbers for Coating Services