The extruded rubber is a silicone rubber for extrusion molding, and after the vulcanizing agent is added, the basic processing can be performed, and if the process conditions are properly controlled, the secondary vulcanization can be omitted. The molded product has heat resistance, cold resistance and electrical insulation, and is suitable for various heat-resistant and cold-resistant wires, various types of silicone rubber pipes, heat-resistant seals, profiled rubber strips and styrofoam strips. Properties: Appearance milky white, slightly transparent, no obvious mechanical impurities.