... Heater Pad Ceramic beads for pad heater Strong points: heating rate, thermal efficiency, safety, easy operation, excellent performance ... 1650 °C. Is the most advanced, practical local heating equipment. Specificationsceramic bead for heater1,various shapes and sizes2, ... kind of ceramic beads: Insulation:Alumina Ceramics (>90%) Heating Conductor:Ni-Cr wire(Cr20Ni80), 19 single strandsTemperature:Max ...