How to Use Kool-Blak 225
Kool-Blak 225 is a mid-temperature black-oxide solution that gives steel parts glossy black finishes while eliminating the hazards of caustic fumes and boiling temperatures.
Use Kool-Blak 225 to:
- Coat steel parts with a glossy, smut-free black-magnetite finish
- Reduce safety hazards and energy costs
- Eliminate caustic fumes
- Work with stable chemicals
- Meet military specification MIL-DTS 13924D Class 1 and AMS 2485L
Getting Started
EPi offers half-liter starter kits for getting acquainted with Kool Blak 225 and 5-gallon short-run production kits for small projects or operations.
Kool-Blak 225 is a blackening solution that replaces hot black-oxide processes without producing hazardous fumes, sacrificing aesthetic appeal, or reducing abrasion resistance. Drag out 1–5 gallons of Kool-Blak 225 per 100-gallon bath per week.
Samples available to purchase - CALL #262-786-9330.
PLEASE NOTE: Orders ship within 3 business days.



How to Use Kool-Blak 225
Kool-Blak 225 is a mid-temperature black-oxide solution that gives steel parts glossy black finishes while eliminating the hazards of caustic fumes and boiling temperatures.
Use Kool-Blak 225 to:
- Coat steel parts with a glossy, smut-free black-magnetite finish
- Reduce safety hazards and energy costs
- Eliminate caustic fumes
- Work with stable chemicals
- Meet military specification MIL-DTS 13924D Class 1 and AMS 2485L
Getting Started
EPi offers half-liter starter kits for getting acquainted with Kool Blak 225 and 5-gallon short-run production kits for small projects or operations.