2USTC-F 0.05mm*660 Customzied Stranded Copper Wire Silk Covered Litz Wire

To assure good quality of our products, we apply high standards during test. Our served litz wire first needs to go through the following test procedures after completion to examine its appearance, size and performance. The appearance must meet the standard in smoothness, evenness of color, turns, specification, twist, etc. Exposed copper is not allowed. Then its properties test comprises of mechanical(elongation, softness, coherence, etc.), chemical(solvent resistance), thermal and electrical properties(continuity of enamel, breakdown voltage, cut-through).