Rubber coated wires are divided into power cables, control and signal cables, marine cables, aviation cables, mining cables, installation wires, etc. according to their uses. The insulation layer and sheath are made of natural rubber, butadiene styrene rubber, ethylene propylene rubber, etc. In addition to meeting the insulation and physical mechanical properties, they require aging resistance and wear resistance. Some products require oil resistance and flame retardancy. Wire and cable are generally extruded and continuously vulcanized. The product is used in various industries.