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enameled flat aluminum wire Enamelled aluminum round wire is a type of winding wire made by electric round aluminum rod which drawn by dies with special size, then over coated with enamel repetitiously. Advantageenameled aluminum wire for generators in china 1. Compared with the copper enameled wire, enameled aluminum wire is easier to be winded, also there is a solid oxide film on the surface of enameled aluminum wire, which make it has a good insulating effect, a long life. 2. Due to the good insulating effect of aluminum film layer, it’s heat-resistant temperature can be 20 degrees higher than that of the copper wire; 3. The greatest benefit of using aluminum is that it is 1/3 lighter than copper which significantly lower the production costs, secondly it can attach to the solids easily, and thirdly it can also reduce the freight and operation during transportation4mm diameter enameled wire Cross Sectional Area The cross sectional area of copper wire is the area of the end of the wire if it is cut off cleanly. It is the area of the wire's circular diameter. buy magnet wire online