... /F46-22.conductor material:tinned copper /silver copper 3.Insulation material:teflon4.Colors: red,black,yellow,green,white,orange, ... Using condition:has good properties of high & low temperature, electric insulation, resistant to various dielectric,anti-aging, water proof, acid ... not broken down under alternating current 50 Hz, 2500V.(2). insulation resistance: ≥103 ΜΩ.km when temperature up to 20°c5. ...