... of knitted stitching for waterproof Hot Air Seam Sealing Machine- Precision stepper motor,speed stability- The air of Nozzle uniformity, soft. Suitable for ... device,high adhesive quality,excellent effection.Priduct UsageHot air seam sealing machine throug hot air,pressure that make the seam sealing tape tightly ... -18 m/minWorking pressure: 3 - 3.5 kg/cm2 hot air sealing machine for ski wear