... size 28mm;max temp 800 C Hot air seam sealing machine is applied to Nylon-PVC ... coats, snow-suits, tents,waterproof coverings' sealing...Hot air seam sealing machine ==Features==1, LCD screen, steady ... that to make quality more reliable.3,Automatic temperature control,simpler operation.4, The cylinder of upper ... gun is depending on the natural high-pressure air blower; avoid the impact of inside heat ...