... heater,ceramic pad heater 3,96%,99% alum Annealing and preheat elements are extremely robust and stable multipurpose heating elements, which ... of ceramic beads: ItemPartMiddle pad,Middle hole pad,Male pad25x25mmFemale pad25x20mmShort tail10x16mmLong tail10x24mm Insulation:Alumina Ceramics (>90%) Heating Conductor:Ni-Cr wire( ... 35 / 2.7 kWVoltage:30 / 60 V Amperage:45A ceramic heating pad heater