Steel Antiquing
No Acid Fume Rust Patina For Steel
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Insta-Rust 340 produces thick-film variety rust colors on steel from brown-green to brown-orange. This product is an immersion process that takes seven steps and about 10-15 minutes to process. The finish will meet the demands for the latest architectural finishes.
Testimonial“I’m just a novice metal worker and built three candle holders for my deck. My wife wanted a natural rust finish, I found your product online. I found the best result was applying your product after a thorough sandblasting. The results were exactly what we were looking for. Thank you. I sent along some pictures of one of the candle holders.”
– Marshall
Buy online 
, purchase an Insta-Rust Sample Kit for just $37.50, request a quote, or send us a minimum of six sample parts for rust patina {sample form – PDF}.
Metal Blackening: Insta-Blak 333
A Great Alternative to Hot Black Oxide
Simple Process, Superior Finish
Clean, Deep Finish: No smutty rub-off as with other room temperature blackening processes. Insta-Blak 333 produces a super-deep, rich blackness and corrosion resistance equal to hot black oxide. There is no white salt bleed-out as is common with hot black oxide. For more information check out our Black Oxide FAQ or see our videos at our Black Oxide Library.
EPI makes it easy to purchase black oxide coatings, cleaners, and metal finishing products. Buy online , purchase an Insta Blak Sample Kit for just $37.50, request a quote, or send us a minimum of six sample parts for blackening {sample form – PDF}.
5 Step Process: The most commonly used process in commercial blackening includes seven steps; however, the Insta-Blak process in most installations requires only 5 steps. Click for our free metal blackening guide
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High Productivity: Parts can be blackened in two minutes vs. 15 to 30 minutes for hot black oxide. Twice the amount of parts can be blackened in the same amount of time. Insta-Blak 333 has a wide operating window and produces the same results at 10,15, or 25 percent concentrations making it practical in automated finishing machines.
Versatility: Blackens many different types of metals including cast iron, forged steels, mild steels, hardened steels and powdered metals.
Convenient: Easy to do in-house. No need to heat blackening solution. Ideal for high volume or short run projects
Parts Coverage: Up to 1200 sq. ft. of surface area blackened per gallon of replenishment concentrate. Long bath life, blackening solution may be replenished indefinitely with periodic additions of fresh concentrate.
Energy Cost Savings: Blackening is done at room temperature vs. hot oxide blackening done at 290º.
Safety: Blackening solution uses odorless, mild, water-dilutable chemicals. No venting needed or hazardous caustic chemicals.
Low Maintenance – Longer Equipment Life: No expensive pollution control equipment. Only a simple ion exchange system is required in those rare installations when discharge of metals exceeds regulations.
Environmentally Friendly – Zero Discharge
In those rare instances where the concentration of metallic ions exceeds local regulations, an ion exhange unit can be installed on tank 4 to remove them.
Read User Testimonials on Insta-Blak 333.
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