EPi's E-Brite 23-11: Bright Cyanide Copper Plating

EPi has developed an extremely versatile inorganic single additive cyanide brightening process called E-Brite 23-11.  E-Brite 23-11 can be operated at a variety of different cyanide salt baths sodium/potassium/sodium and potassium and with a variety of operating conditions. Another benefit of...
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E-Tec 515: Superior Rust Prevention

One of the most important aspects of metal finishing is protection against rust. Fortunately EPi has developed a rust preventative oil called E-Tec 515 that offers incredible protection against metal's age old enemy: rust. E-Tec 515 is a rust preventative oil concentrate formulated with...
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EPi Story: Copper Plated Bullets

EPi Story: Copper Plated Bullets Recently EPi worked on copper plating bullets. The project turned out so well, that I decided to feature it on EPi's blog. Here is a Question and Answer session with one of our chemists...
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Insta-Blak 333: Testimonial

Recently, I received an e-mail from a customer from California who uses EPi's Insta-Blak 333 to restore guns. He sent me the following e-mail: "Good evening, Back in January of this year, I purchased your Insta-Blak 333 sample kit. I used it to refinish a customer’s Colt 1911 which was chambered...
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