... temperature resistance, high insulation mechanical strength Class 240, PI Enamelled Rectangular Copper Wire StandardGB/T 6109.22, GB/T 7095.5 ... dry-type transformer in nuclear industry. Descriptions Conductor Material: flexible rectangular copper wireInsulation: aromatic PI enamel base on materialDelivery: standard reel ... need the wires with other sizes. Class 240, PI Enamelled Rectangular Copper Wire