![]() Search our options based on the type of metal to be finish: scroll down to start browsing. Our black oxide finishes work with a variety of metals including cast iron, steel, stainless steel and aluminum. Our Liquid and Gel Black Oxide products are ideal for swabbing or brush-on applications for metal touch-ups for machined components, in-place finishing for architecture applications, and artistic or sculpture metal working.īirchwood Technologies offers free sample test finishing and on-site start up for immersion lines to make blackening your metal easy and successful. We have pre-engineered finishing lines to make implementation fast and easy with a mini-system, 40 gallon line, 100 gallon line, CNC Automated line, and provide conversions or upgrades to existing lines. Black Oxide Gel for Brush-on or SwabbingĪll of our black oxide processes mesh with manufacturing production and easily integrate in-house, cutting lead times, increasing productivity, and saving on finishing costs.Room-Temperature Black Oxide Finish for Immersion.Mid-Temperature Black Oxide for Immersion.We offer black oxide in Mid-Temperature, Room-Temperature for immersion applications and liquid or gels for brush-on or swabbing applications. ![]() Traditional Midnight Black Patina reacts on aluminum, bronze, brass, copper, iron, steel (not stainless), and zinc/galvanized. ![]() ![]() It should not be diluted unless you are working on the Metal Coatings. Black Magic Patina does not work on stainless steel or aluminum. Unlike paint coatings, black oxide is non-dimensional and will not interfere with function of the metal parts. On zinc and galvanized steel, it creates a weathered black patina. The benefits of Birchwood Technologies black oxide finishes include long-term corrosion resistance and a durable, attractive finish. ![]()
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