Category C flame retardant polyethylene sheath material is polyethylene resin as the main base material, adding appropriate amount of flame retardant, antioxidant and other materials, by mixing, plasticizing, extrusion, made, with good cracking resistance and low temperature resistance, good flame retardant and processing properties,suitable for power cables, control cables sheath layer.The cable produced by this material conforms to the requirements of cable bundle vertical combustion (Category C) stipulated by IEC60332, and the working temperature of the product is -40℃~90℃, in line with the relevant requirements of RoHS directive and REACH regulations.