How to Use Ultra-Blak OX
When blended with sodium hydroxide, Ultra-Blak OX is designed to be a cost-effective alternative to Ultra-Blak 400-L and can also be used to create custom black-oxide formulas.
Use Ultra-Blak OX to:
- Create Ultra-Blak 400-L in the shop
- Make custom black-oxide formulas
- Eliminate the "middleman" by using your own liquid sodium hydroxide
- Save money in chemical and freight costs
- Blacken steel-based items
- Meet MIL-DTL-13924D Class 1 and AMS 2485L standards
- Use in high-volume blackening operations
Ultra-Blak OX is a liquid oxidizing agent designed to be combined with sodium hydroxide to create custom black-oxide formulas.

Health Hazard

Irritant
How to Use Ultra-Blak OX
When blended with sodium hydroxide, Ultra-Blak OX is designed to be a cost-effective alternative to Ultra-Blak 400-L and can also be used to create custom black-oxide formulas.
Use Ultra-Blak OX to:
- Create Ultra-Blak 400-L in the shop
- Make custom black-oxide formulas
- Eliminate the "middleman" by using your own liquid sodium hydroxide
- Save money in chemical and freight costs
- Blacken steel-based items
- Meet MIL-DTL-13924D Class 1 and AMS 2485L standards
- Use in high-volume blackening operations