Technical anodizing and hard anodizing Hart-Coat® are treated by three coating baths, with the possibility of impregnating the layers with PFA, seal in hot water, cold sealant and coloring them black. Components with the maximum dimensions of 2.3 m length, 1.2 m height and 0.5 m width and a maximum weight of 650 kg can be loaded. Complete coating batch can have a maximum total surface area of up to 1,000 dm2 in the area of Hart-Coat ® and even up to 2,000 dm2 in the area of technical anodizing. Selga-Coat® technology is used for gasoline engine’s pistons. For casted and stamped parts, and also for cold sealing, Surtec 650 is used.