ittings and valves should be acid resistant. All plastic parts should be of Teflon, PVC, PVDF, polypropyleneorhigh-density polyethylene construction. Soft PVC (e.g. Tygon) is not recommended for constant contact with the bath.
Anode bars, cathode bars and bus bars should be made of copper. Bolts, fixtures, etc. that are not immersed in the plating solution may be made of copper, bronze, 316 stainless steelortitanium. Metal parts that will be immersed in the plating bath should be constructed of