Caswell order Stainless Steel Passivation Kit - 1 Gallon

Stainless order Steel Passivation SystemStainless Steel is naturally corrosion resistant, but we've all seen stainless parts rust at some point. Passivating stainless parts is a way to increase the rust resistance of a part by removing iron from the surface of the metal.Passivating is easy, requiring no power or other complex procedures. Simply clean the parts and immerse in the passivating solution for 30 mins. The passivating solution and degreaser are heated on a hot plate.The Passivating Solution is an environmetally friendly citric acid based product. No disposal problems, fumes or dangerous chemical reactions, like in nitric acid systems.The 1 Gallon Caswell Stainless Passivating Kit contains:2 x 2 Gallon Metal Tanks (for degreasing and passivating) and 1 x 2 Gallon Plastic Tank (for rinsing)SP Degreaser (2lbs - Makes 4 Gallons)Citric Acid Based Passivating Crystals (Makes 1 Gallon)ThermometerGlovesInstructionsCopper Sulfate Test System (to test for successful passivation)Passivating Steps are:Heat the Degreaser to 200 def F on a hotplateImmerse parts in degreaser. Scrub if necessary. Thouroughly clean the parts. Any dirt or oils will prevent passivation in those spots.Rinse in rinse tankHeat Passivating Solution to 150 deg F on hotplateImmerse in Passivating Solution for 30 minsRinse In Rinse TankYou may check for a successfully passivated part by swabbing with the copper test solution. If copper is deposited on the part, it has not been successfully passivated in that area.