... 3.For welding PVC,TPO ,EVA membrane Plastic hot air welding machine,PVC hot air welderDescription:This machine can add weight additional based ... Small,light,easy to operate.Electronic control can set the air temperature, welding speed The welding pressure is changed according ... h Air pressure: 3000Pa Welding speed:2.7~20.7 ft/minWelding width: 40mmWelding material thickness: 0.3-5mm , Plastic hot air ...