ZH-II ZH-II multifunctional platform-style laminate and plastic hot air welding machines for maximum temperature control high accuracy, bias is 1degree,electronic temperature can be automated or manual control, suitable for welding truck plastic ones, playgrounds, artificial grass, plastic platform boards, swimming pools and large PVC waterproof tent camp interface. Technical.data: Rated__voltage-----------220V Frequency----------------50Hz Max__power---------------3000W Temperatur--scope--------40-650'C Air__volume--------------25m3/h Air__pressure------------3000Pa Welding__rate------------0.5-8.5m/min Welding__width-----------0.5-5mm Weight-------------------20KG Size---------------------620*520*320mm