Main features: 1.It applied to plastic products in the aspects of riveting, cutting, sealing and welding. 2.Optimization of the heat welding defects (yellowing, edge burning and blocking up). Model: keb-2850 keb-3580 keb-2010 Frequency: 28khz 35khz 20khz Power: 500w 800w 1000w Working method: auto-excitation type Welding time: 0.01-9.99 sec Welding area: 5mm 8mm 16mm Dimensions:300*350*150 150*300*400 450*550*150 Weight: 15kg 20kg 25kg