... alumina. 2 High temperature resistant. 3 High abrasion resistance. Ceramic ignition tip Technical ParameterDiameter 0.5~1.5mm,Length50~80mm,Insulation ... -aging, high temperature resistance, superior insulation, high strength, good stability, ignition sensitivity, control measurement stability, suitable for use in different environments ... of water heater, stove, gas oven and so on. Ceramic ignition tip