... 3.Centification:SGS,UL,ISO Size 1.0mm For Transformer winding ENAMELLED ALUMINIUM WIRE 1.Process of producing We can producing ... Heat Shock, Room Temperature Breakdown Voltage, High Voltage Hole, and Pin-Hole, etc. Code Number Test StandardGB/T23312-7- ... 2005) Polyimide enameled aluminum wire, class 2204. Application field:Suitable for winding coils of oil-immersed transformers, dry-type transformers, ...