DeRUST™ – Rust Remover: Effectively removes rust off steel substrates (including rust-bleed and cross contamination on stainless and other materials). Safe for use on virtually any substrate including painted metal (will not remove paint). Removal by wiping or washing leaves surfaces ready for painting or fabricating without additional surface preparation. DeRUST™ will also effectively remove patina from copper and brass Available in 2 formulas – GEL, and LIQUID Water-based, fully biodegradable formulation Will not pit or corrode healthy metal –even with extended dwell time GEL Version for spray-on and brush-on applications LIQUID Version for dip tanks, flushing systems and immersion applications GEL version can be applied and left to form a protective crust for transport/storage. Easily removed by pressure washing when needed – clean, rust-free surface is exposed LIQUID version can be RECHARGED and reused numerous time without losing effectiveness Protection For: Rust-bleed and cross-contamination rust off of most other surfaces Any painted, rusted metal project – IT WON’T REMOVE THE PAINT…ONLY THE RUST Patina removal of copper and brass Marine projects, shops and chandleries Specialty automotive repair and maintenance Equipment, parts and tool repair and refurbishment Home and outdoor projects Metal-smith projects Bicycle repair and maintenance DeRUST™ is suitable for indoor/outdoor use. It will remove rust and iron surface contamination from; Steel and Steel Alloys Stainless Steel Aluminum Certain other metals and Painted Metals Concrete (some surface cross contamination staining) and Certain Natural Stone and some Plastics Patina off copper and brass Surface Prep: First, preclean surfaces to remove all oils, grease, dirt and other contaminates, using Protocol’s DEEP CLEAN XTREME or other alkaline cleaner / degreaser.