Ultra-Blak 420 is an oxidizing liquid formulated for blackening a variety of brass, bronze, copper, and copper-alloyed surfaces. One gallon can blacken 100–300 sq. ft. of copper parts.
How to Use Ultra-Blak 420
Use Ultra-Blak 420 to apply a deep black finish with excellent abrasion resistance to brass, bronze, copper, and copper-alloy surfaces.
Use Ultra-Blak 420 to:
Give copper, brass, and bronze parts a deep, black finish
Produce a true copper oxide finish, US 10 B
Achieve superior abrasion resistance
Work with a hot-temperature blackening process.
How to Use Ultra-Blak 420
Use Ultra-Blak 420 to apply a deep black finish with excellent abrasion resistance to brass, bronze, copper, and copper-alloy surfaces.
Use Ultra-Blak 420 to:
Give copper, brass, and bronze parts a deep, black finish
Produce a true copper oxide finish, US 10 B
Achieve superior abrasion resistance
Work with a hot-temperature blackening process.
| Best Seller | No |
|---|---|
| Blackening Features | Abrasion Resistant |
| Hazardous Material | Yes |
| Industrial Use Only | Yes |
| Replacement For / Same As | Dura Black Pre Dip, Black Magic Black Activator, Black Magic CBC |
