... , and long life. ProductionnameHigh Power Ceramic Tube Heat Resistor,Wirewound Resistor, Power Resistor, Braking Resistor,Ceramic Tube Resistor,ResistancePower rating15W-20KWResistance value0 ... Copper wire or chrominum alloy wire is wound on the ceramic tube coated with non-flammable resin,good dissipation ,high ... packing .3. More details, please contact us. High Power Ceramic Tube Heat Resistor