Calcium silicate insulation pipe is a kind of white hard new insulation material, with light weight, high strength, low thermal conductivity, high temperature resistance, corrosion resistance and other characteristics, is the ideal insulation material for high temperature pipeline. Widely used in electric power, metallurgy, petrochemical, Marine pipeline, pipeline support, fire insulation and other industries of pipeline tank insulation. It is inorganic, non-combustible, asbestos-free and meets or exceeds the physical and thermal performance requirements of ASTM C533. It can be used in the operating temperature range of 650℃.