Durobrite TC 300 / TC 3000 & 4000(fully sulphate) / Triplus Chrome 300(mixed sulphate & chloride) Description Application: An innovative Chromium plating process using only trivalent chromium compounds. The Growel Advantage: It helps eliminate the usage of hexavalent Chrome in the decorative Chromium plating process and produces an excellent finish on bright Nickel-plated components. get a quote