... Diversity 4.Strict production process,professional sales ProductionnameHigh Power Ceramic Tube Wirewound Resistor,Wirewound Resistance,Non-flammable Wirewound RheostatPower rating15W-20KWResistance value0.01Ω-100K ... wire or chrominum alloy wire is wound on the ceramic tube coated with non-flammable resin,good dissipation ,high stability, and long life.2.high power ...