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  • Electroplating
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Electroplating

Electroplating is the process of using an electrical direct current to coat an electrically conductive object with a thin layer of metal. EPi offers a variety of high-quality electroplating processes that are ideal for all types of metal finishers. Learn More

Electroplating Finishes

  • Brass
  • Cadmium
  • Chrome
  • Copper
  • Nickel
  • Silver
  • Tin
  • Zinc
  • Mobile App
Learn more about Electroplating on our blog!

Black Oxide

Black oxide finishes offer dimensional stability, eye-appealing appearances, retention of surface properties, and corrosion resistance when sealed with an oil, wax, or lacquer. Learn 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!
  1. EPi
  2. EPi Blog
  3. Metal Cleaners

EPi Blog Metal Cleaners

Some cleaners can generate Chloroform (increasing Total Toxic Organics)

Posted By Ben McKnight on April 28, 2020

I have been in the plating or coating industry for over 30 years from coating ammunition to POP, PWB and Electrolytic plating. I am a licensed WWT operator in multiple states and although each state has their own unique limits for the effluent they all can be controlled if the chemistry you are...
Continue Reading…

Getting ready for Sur/Fin 2019! Revolutionary Cleaning Processes!

Posted By Eric Olander on May 16, 2019

Getting ready for Sur/Fin 2019! Revolutionary Cleaning Processes! EPi at Sur/Fin 2019!  EPi will be at booth #109 this year, ready to discuss all your metal finishing needs! Providing superior solutions since 1954, we cover all your blackening, antiquing,...
Continue Reading…

Sustainability Summit & EPi

Sustainability Summit & EPi

Posted By Eric Olander on October 10, 2018

Dull zinc plating, patchy black oxide, non uniform brass antique/patina caused from metal cleaning problem. Cleanliness is next to Godliness.

Dull zinc plating, patchy black oxide, non uniform brass antique/patina caused from metal cleaning problem. Cleanliness is next to Godliness.

Posted By Eric Olander on January 13, 2017

EPi Removes Smut and Brightens Steel Parts with the E-Kleen SR-AE

EPi Removes Smut and Brightens Steel Parts with the E-Kleen SR-AE

Posted By Eric Olander on July 2, 2015

Kool Blak 225 Produces Smut Free Glossy Black Oxide Finish

Kool Blak 225 Produces Smut Free Glossy Black Oxide Finish

Posted By Eric Olander on November 13, 2014

Eric Olander will be Speaking at Milwaukee NASF Branch on October 14th, 2014 on Cleaning

Posted By Eric Olander on October 3, 2014

I am excited about the opportunity to talk in length about, "New Developments in Cleaning and Pretreatment for Electroplating." My talk will be held on October 14th, 2014 at the Milwaukee NASF branch meeting at Saz's (famous for their ribs) at 5539 W. State Street Milwaukee, WI. Make a reservation...
Continue Reading…

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