pds_steelclene_2011.pdfSTEELCLENE is a unique formulation of safe complex organic acids that remove rust from steel but does not harm the steel or the surrounding concrete. STEELCLENE creates an antioxidant layer. STEELCLENE is best for removing surface rust. Scale and larger pieces of rust should be removed beforehand. STEELCLENE is very safe to use. In some instances, it is a little slower than standard rust removing acids.