There is a small fee for samples shipped in the continental U.S. This can range from $10-$75. Products shipped outside the continental U.S. can be subject to certain restrictions. Freight charges may range from $75-$300.

Mid Temperature Black Oxide

Mid Temperature Black Oxide

Looking for a Premium Grade, Black Oxide finish?

Look no further than EPi's KOOL-BLAK 225

It produces a Deep, Rich, Black Oxide finish, which is Smut Free and produces No Boiling Caustic Fumes.

 

Benefits of Mid Temperature Blackening (220-245º F - Sodium Hydroxide, Nitrite/Nitrate Bath)

  • Blackening time 30-45 minutes
  • Ventilation required for caustic fumes
  • No boiling - safer working environment for operator
  • Energy costs savings
  • High capital costs
  • pH adjust waste treatment system
  • Abrasion resistance - does not erase with pencil eraser
  • Passes oxalic acid military test
  • Meets Military Spec
  • Glossy blue-black color