... air seam sealing machine 3 model design;PLC control;PC interface touching screen;standard roller size 28mm;max temp 800 C Hot air ... -PU, rain coats, snow-suits, tents,waterproof coverings' sealing...Hot air seam sealing machine ==Features==1, LCD screen, steady operation, reliable ... of heat gun is depending on the natural high-pressure air blower; avoid the impact of inside heat tube of the ...