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. PleaseLearn More What type of metal are you blackening? Steel Stainless Steel Cast Iron Aluminum Copper, Brass, & Bronze Nickel Cadmium Zinc Learn more about Black Oxide on our blog! Antiquing & Oxidizing Antiquing, oxidizing, and patining are processes that chemically "age" or "weather" metal, resulting in a variety of colors, finishes, and effects. Learn More Antiquing & Oxidizing Products By Substrate Copper, Brass, & Bronze Silver Steel Rust Patina Tin & Pewter Learn more about Antiquing & Oxidizing on our blog! Rust Preventatives Every year, rust costs metal-finishers millions of dollars. Water-displacing oils, water-soluble oils, waxes, lacquers, and temporary rust inhibitors can enhance the quality of a metal finish or protect bare steel parts. Rust preventatives offer stain, humidity, and salt spray resistance. Learn More Rust Preventive by Products Acrylic Resins Clear Gloss Lacquer Copper & Brass Conditioner Corrosion Inhibitors Rinse Water Additives Water Displacing Oils Water Soluble Oils Waxes Learn more about Rust Preventatives on our blog! Cleaners All metals need to be cleaned prior to electroplating, blackening, or finishing. Metalworking fluids and carbonaceous smut need to be removed in a soak, spray, electroclean, or ultrasonic cleaning. A properly cleaned part will have excellent adhesion and be brighter, blacker, and smut-free. Learn More Cleaning Products By Substrate All Metals Aluminum Brass Copper E-Kleen SR Steel Zinc Diecast Learn more about Cleaners on our blog! Passivations EPi offers high-quality chromates and passivates for a variety of metals. Pass salt spray tests with aesthetically pleasing parts that have superior white/red corrosion resistance. Learn More Passivations Products By Substrate Aluminum Cadmium Zinc Learn more about Passivations on our blog! Acid Salts Dry-powdered and liquid acid salts are specifically formulated for removing rust, scale oxides, stains, and smut from a variety of metal surfaces. Acid salts are also used to activate metal surfaces for further finishing. Learn More Acid Salts Products By Substrate Aluminum Brass Cast Iron & Steel Copper Diecast Zinc Zinc Learn more about Acid Salts on our blog! Bright Dips EPi’s series of stabilized peroxide bright-dip processes prevent re-tarnishing of brass, leaded brass, and copper after brightening. Chemically polish stainless steel alloys that contain nickel with a formula containing a blend of mineral acids. Learn More Bright Dips Products By Substrate Copper and Brass Stainless Steel and Nickel Alloys Learn more about Bright Dips on our blog! E-Preps E-Preps are used for one of the most critical steps in the finishing process: preparing your metal parts for successful plating or blackening applications. Learn More E-Preps Products By Substrate All Metals Aluminum Brass and Steel Copper and Brass Stainless Steel and Nickel Alloys Steel Zinc Diecast Learn more about E-Preps on our blog! Metal Stripping Metal-stripping processes help remove copper, nickel, zinc, or tin from steel surfaces. Learn More Metal Stripping Products By Substrate Steel Copper, Brass, & Steel Substrates Learn more about Metal Stripping on our blog! Phosphates Iron, manganese, and zinc phosphate finishes provide extensive corrosion protection and prepare surfaces for a strong paint bond. Learn More Phosphates Products By Substrate Aluminum & Zinc Iron Steel Learn more about Phosphates on our blog! Sealers Powerful corrosion-resistant sealers with exceptional salt spray protection are used over zinc-plated passivations. Learn More Sealers Products By Substrate Zinc and Passivates Boric Acid Sealer Learn more about Sealers on our blog! Waste Treatment EPi’s waste-treatment processes can help reduce overall waste disposal costs and be gentler on the environment. Learn More Waste Treatment Products By Substrate Coagulants Defoamers Polymers Learn more about Waste Treatment on our blog! Brush Plating Chemistry Products that accommodate brush plating for localized plating or plating of an item that cannot be tank-plated. Learn More Brush Plating Chemistry Products By Substrate Copper Silver Learn more about Brush Plating Chemistry on our blog! Green Chemistry Cyanide-free processes that eliminate the need to report to the Department of Homeland Security, saving time and money. Learn More Green Chemistry Products By Substrate Alkaline Non-Cyanide Aluminum Bright Nickel, Acid Copper, Tin, & Solder Learn more about Green Chemistry on our blog! EPi PIONEERS IN METAL-FINISHING CHEMISTRY Since 1954, EPi has been an innovator in the development and manufacture of electroplating , black oxide , passivations , rust preventatives , and metalworking products for global companies and hobbyists alike. Learn More Featured Products Kool-Blak 225 Kool-Blak 225 is a blackening solution that replaces hot... Learn More E-Tec 509 A dry, satin soft-film solvent-based lubricant and rust and... Learn More Insta-Blak 333 Insta-Blak 333 is an immersion/swab on blackening solution... Learn More Latest From Our Blog All Posts E-Tec 509 Increases Corrosion Protection and Eliminates High Costs Another Problem Solved - Clean Carbon Residual from Zinc Diecast Tooling EPi How-To: Clean Out Your Black Oxide Tank The Art of Metal Finishing Electrochemical Products, Inc. 17000 W. Lincoln Ave. New Berlin , WI 53151-2781 Phone: 262-786-9330 Fax: 262-786-9403 us-sales@epi.com Sign up for the EPi newsletter and blog! © Copyright 2021 Electrochemical Products, Inc. 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