... three setting program,for flat shape workpiece,complicated shape workpiece,recoating,easy for operation.Fully Adjustable Air for Pump on ... , rinsing air hose and standard nozzle set.- Pneumatic hoses for conveying air (red), supplementaryair (black) and fluidizing air ... tougher than conventional paint. Powder coating is mainly used for coating of metals, such as "whiteware," aluminium extrusions ...