The main material are NR. SBR CR NBR DM CPE CSPE for rubber insulation cable and rubber sheathing extrusion.The lien suits to single layer extrusion, dual layer co-extrusion, triple layer co-extrusion, widely used in the range of mine, vessel, moving rubber insulation cable and high voltage rubber cable productionIt's designed and manufactured to achieve the best productivity with high quality and low cost.Material: 38CrMoAl/ SKD61/s136Hardenss: 950HVVoltage range: 6-35kv