2026-04-20 Aluminum coil is one of the most commonly used materials in electrical engineering, mainly used to separate conductors and provide insulation. Aluminum coil for transformer windings is a soft metal film with excellent plasticity, uniform thickness and smooth surface. It features outstanding performance including moisture-proof, waterproof, oil-resistant, salt-corrosion resistant, acid and alkali resistant, as well as chemical resistance. The surface is clean, smooth and free of spots or cracks. Transformer aluminum coil can be customized in various widths and thicknesses as per customer requirements. It is available in different grades, specifications and tempers based on applications. Grades: 1050, 1060, 1070, 1350 Temper: O temper (soft state; numbers can be added to indicate hardness and annealing level) Thickness: 0.2–3.0mm (defined as transformer aluminum coil)