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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.
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.
Ultra-Blak OX is a liquid oxidizing agent designed to be combined with sodium hydroxide to create custom black-oxide formulas.
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 and meet military specification MIL-DTS 13924D Class 1 and AMS 2485L.