High density hot runner electric coil heaters: 1. Warranty 2 years 2. High density 3. ISO9001, CE, RoHS 4 ... such as fast heating and cooling, even heating, high temperature resistance, anti-oxidation, good extensibility, good ... Ground resistance:<0.1O5.Voltage resistance: no electric breakdown for 1 minute under 1500V 6. ... us with the drawings/pictures High density hot runner electric coil heaters