Product: enameled wire (also known as insulated copper wire) Construction and material Inner layer of pure copper Surface insulating coating (paint) Polyester patent leather finish Packaging 1 x enameled wire (500 g / 17.6 oz) Color and size references Color classification shown by the system corresponds to wire diameter (spec) Copper wire adheres to national standard specifications Specification details Specification refers to the diameter of the drawn copper wire, i.e., the inner diameter without the enamel coating Temperature resistance: 130180 degrees Dielectric withstand voltage: 30005000 V Key features Can be directly welded Resistant to frequency Portable and easy to carry Benefits and use scenarios Why you need it Provides reliable insulation and conductivity for coil winding and small electrical components dielectric strength supports safe operation in voltageintensive applications Direct welding capability simplifies assembly and reduces processing steps Practical applications Winding coils for transformers, inductors, and small motors in electronics projects or manufacturing DIY and prototype electronics, hobbyist windings, and work requiring enamelcoated copper wire frequency electronic devices where enamel insulation and form factor are advantageous Notes All details reflect the product's stated composition, specifications, model, and function without modification.