Hot Blackening

Hot Temperature, 285° F

Black oxide hot-temperature processes produce glossy black-blue coatings and true black-oxide magnetite finishes in 10–20 minutes. EPi’s line of high-temperature blackeners offers impressive abrasion and corrosion resistance, and several products meet military and AMS specifications.

Viewing Items 1-4 of 8

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  1. Ultra-Blak 400 is a premium-grade powdered oxidizing agent that produces a deep anthracite-black finish on steel and steel alloys.

    Drag out 5–30 pounds of Ultra-Blak 400 per week per 100-gallon tank.

    Subtotal $35.00
  2. Ultra-Blak 400-L is the liquid version of Ultra-Blak 400. This premium-grade liquid solution produces one of the darkest black finishes possible.

    Drag out 1–5 gallons of Ultra-Blak 400-L per 100-gallon tank every week.

    Subtotal $60.05
  3. Ultra-Blak Rectifier aids in the removal of copper and red-iron oxide buildup during the blackening process of steel parts with and without copper brazing.

    Subtotal $71.57
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