... ,Cu>99.99% 4. 0.25MM~2.5MM SPECIFICATION0.5mm Enameled Copper Wire 1,Common temperature classes are 130, 155, 180 C 2 ... fire craft and produce, operate the brass silk, red copper silk, the copper wire of every kind of specification.The info listed here ... probably be able to meet yours.PICTURE SHOW compact stranded Copper Wire(factory dirctor)