... wear,ski suit,down jacket,tent etc through hot air to reach the sealed and waterproof effect completely. ... of the time when production rate is changed.5,Speed governing by PWM electric motors of Microcomputer, improve ... C 3, Power of heating tube: about 2500W4, General vapor tension of the machine: 3 – 3.5KG/CM2 5 ... Diameter of press roller: 65mm12, Width of hot air trachea: 25mm13, Noise: Less than 80dbA