Traditionally fabricated stainless steel have been Pickled then Passivated using a time consuming, hazardous two process paste system....which can be rather costly due to the extreme amount of occupational health & safety involved. The chemicals used for these Pickling & Passivating pastes present an extremely toxic and dangerous hazard in both contact & vapour form to the operator and those surrounding. They include chemicals like Hydro fluoric & Nitric acid. The WP system is ...