... copper,sus321,sus316L,incoloy804,incoloy800 as requestedVoltage/wattage230/7000WVoltage/Wattage can be customized as required,and Wattage tolerance(cold ... to 6.6mm,8.0mm,10.0mm or others as requestedResistance powderMagnesium oxideWe can use other powder if ... design of interior structure,highly purified magnesia rod and power,great heat conductivity,and special abrasive equipment 2.Adopt ...