... for kitchenware equipment:) Electric heating tube diameter: 6.6, 8.0, 10.0, 12.0mm Electric heating elelments for kitchenware equipment : Applicable to ... .Technique parameter:1) Electric heating tube diameter: 6.6, 8.0, 10.0, 12.0mm2) Electric heating tube materials: SUS304, SUS321, SUS316L, SUS310S3 ... than 1000MΩ5) Withstand voltage of electric heating tube: 1800V / 0.5mA/min: