Hot Blackening

Hot Temperature, 285° F

Hot-temperature black-oxide 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.

8 Items

  • Position
  • Product Name
  • Price
  • Cleaner features
  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 $127.00
  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
  4. A versatile blackening solution used to blacken stainless steel alloys 200, 300, 400, and 17-4 Ph, malleable cast iron, and mild, low-carbon steels.

    Subtotal $35.00
  5. Use Ultra-Blak 407-L give stainless steel parts sleek black finishes, work with a hot-temperature black-oxide solution, ensure dimensional stability, give black-oxide baths an initial charge and meet MIL-DTL-13924D Class 4 standards.

    Subtotal $45.17
  6. Ultra-Blak 404 oxidizing salts are used to blacken cast iron, malleable iron, and some mild low-carbon steels with a deep, rich black finish.

per page