Zincalume FEZ Description Application: An Alkaline Zinc Iron plating system. The Growel Advantage: It offers a bright, uniform alloy deposit with 0.2 to 0.5% Iron, quite adherent to the subsequent chromating process. The process offers duly passivated processed components that display excellent corrosion protection of up to 480 hrs prior to red rust after exposure to neutral salt spray (as per ASTM B 117) with a deposit thickness of 8 -12 microns. get a quote