... Package Index parameters:1) Input voltage range: 220VAC± 20% (single phase)2) Output current stability: ≤2%3) Output voltage stability: ... for gold ,silver , indium,rhodium, zinc imitation and single or double-clad plated printing process.Use: it is suitable ... for acidic copper, alkaline copper, multi-layer nickel, chrome,zinc,electrolysis degreasing, and single or double-clad plated processing Plating ...