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. RATED VOLTAGE 220V Welding thickness 0.5-5mm RATED FREQUENCY 50Hz AIR VOLUME 25m3/h MAX POWER 3000W AIR PRESSURE 3000Pa TEMPERATURE SCOPE 40-650 degree Welding speed 0.5-8.5m/min