... trimming device performance talented.7,It can weld thermo plastic excluding Teflon.8, It has transient welding time with ... 0.05 to 1 second.9, It has a practical welding effect.10, It can be used in either direct ... , there is no worry about any scar left on product surface, which is the characteristic of conductive weld. While ... to any toxic substance as chemical, so it is a kind of safe weld method.