Our time-tested metal finishing solutions include Mid-Temperature Black Oxide, Room-Temperature Black Oxide, Aluminum Oxide, Zinc Phosphate, Antiquing and Metal Coloring, Rust Preventatives, and Cleaners & Preps. The Birchwood Technologies finishing processes can be used in-house in immersion systems saving you costs and turn-around time. Plus our line of Gels and Brush-on finishes are ideal for on-location use in the shop and for quick touch-ups. Want to learn how to protect metal surfaces from corrosion, eliminate galling and enhance sales appeal for tooling, firearms, military, fasteners, gears, couplings, oil drilling components, and more? Ask the Metal Finishing Pros now.