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A versatile blackening solution used to blacken stainless steel alloys 200, 300, 400, and 17-4 Ph, malleable cast iron, and mild, low-carbon steels.
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 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.
Insta-Blak A-385 is an aluminum-blackening process that can be used as both an immersion and a swab-on solution. It's an easy-to-use finish that requires no special equipment or procedures. One gallon of Insta-Blak A-385 can coat 150–250 sq. ft. of aluminum parts.