Hot Blackening

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.

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.

Use Ultra-Blak 407-L give stainless steel parts sleek black finishes, work with a hot-temperature black-oxide solution, ensure dimensional stability, give black-oxide baths an initial charge and meet MIL-DTL-13924D Class 4 standards.

Ultra-Blak 460 is a non-chrome blackening process that produces a decorative jet-black finish on zinc and zinc diecast surfaces.

Ultra-Blak 466 is a non-nickel, two-component liquid concentrate solution that produces a decorative black finish on nickel surfaces.

Ultra-Blak 455 is a decorative and durable black finish for cadmium-plated and zinc-plated diecasts.

Ultra-Blak OX is a liquid oxidizing agent designed to be combined with sodium hydroxide to create custom black-oxide formulas.

Ultra-Blak Rectifier aids in the removal of copper and red-iron oxide buildup during the blackening process of steel parts with and without copper brazing.

Ultra-Blak 420 is an oxidizing liquid formulated for blackening a variety of brass, bronze, copper, and copper-alloyed surfaces.

Ultra-Blak 404 oxidizing salts are used to blacken cast iron, malleable iron, and some mild low-carbon steels with a deep, rich black finish.

Ultra-Blak 404 oxidizing salts are used to blacken cast iron, malleable iron, and some mild low-carbon steels with a deep, rich black finish.