... size 28mm;max temp 800 C Hot air seam sealing machine is applied to Nylon-PVC, nylon-PU, rain coats, ... air seam sealing machine ==Features==1, LCD screen, steady operation, reliable quality, all the actions parameters are showed in the LCD screen, ... is depending on the natural high-pressure air blower; avoid the impact of inside heat tube of the conventional high-pressure pump of the gas source ...