Bluing, sometimes spelled as blueing, is a passivation process in which steel is partially protected against rust using a black oxide coating. It is named after the blue-black appearance of the …

Choose from our selection of metal bluing, including scribe-enhancing marking fluids, high spot blue marking paste, and more. Same and Next Day Delivery.

Pack of 2. 7 oz steel blackening concentrate, gunsmith bluing solution, gun blue, makes 1/2 gal. Need help?

Feb 12, 2023 · For blueing highly polished steel parts and hardened steels containing nickel and chrome alloys (except stainless). Super Blue Extra Strength Gun Blue is the blackest blue.

Apr 2, 2025 · Bluing steel is the process of oxidizing the surface to protect it from rust. You’ll need a sander, alcohol wipes, wax and grease remover, bluing solution, cotton balls, sandpaper, a …

Bluing liquid is a chemical solution that creates an oxide layer on the surface of metal, giving it a dark blue or black finish. It not only adds an aesthetically pleasing touch to metal but also …

A double-strength bluing solution designed for bluing highly polished steel parts and hardened steels containing nickel and chrome alloys (except stainless). Super Blue Extra Strength Gun …

With Oxpho-Blue, all you need do in most cases, is dampen a piece of cotton flannel and give the area a good rubbing. The chemical goes through the oil on the gun, removes thin rust and …

Stain metal items such as bearings, springs, nuts, and other components. These fluids repel oil, adhere without flaking and scaling, and won’t interfere with part performance.

I tested various bluing liquids for metal and found the best options for restoring and protecting my firearms. Discover my top picks for lasting results!