Metal waxes are a great way to protect any metal surface
Testing Interior Steel Finishes for Aesthetics and Sustainability
Sculpt Nouveau clear sealers
Prime-It for Metal Coatings
Using Sculpt Nouveau Metal Wax
Blackened Steel Finishes for Decorative Metals - Wiemann Metalcraft
Metal Wax - 2 Oz – brickintheyard
Sculpt Nouveau - Metal Finishes - Sculpture Supply Canada
Traditional Black Patina – brickintheyard
Using Sculpt Nouveau Metal Wax
Sculpt Nouveau Metal Wax-Clear
Metal Rubs 8oz - The Compleat Sculptor
Wax & Oils – Sculpt Nouveau