<http://schema.org/description>
"TriPass ELV 2500LT from MacDermid is a trivalent chromium passivate designed to produce an iridescent film on electroplated zinc deposits from acid and alkaline electrolytes."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.pfonline.com/products/trivalent-passivate-produces-iridescent-film-for-corrosion-resistance>