Nitric Acid 68% SKU: SKU RXSOL-20-1106-140 Product Category: Category Tank Cleaner-20 Variations Nitric Acid 68% Short Description Short Description Pasivation Grade Improve the corrosion resistance of parts made from austenitic, ferritic and martensitic corrosion-resistant steels of the 200, 300 and 400 series and precipitation hardened corrosion-resistant steels.