Class 1 rubber insulation rubber as base material, USES the international advanced "ASSOS fine control micro foaming technology", the special formula and processing technology of which is completely closed bubble structure of rubber insulation materials, do not contain CFCS, has a low coefficient of thermal conductivity, excellent resistance to water vapor penetration ability, good fireproof performance. Product divides the pipe, plate, easy to install, safe environmental protection, within the scope of use is applicable to water pipes in the hvac system and duct, refrigeration and heating equipment, hot water piping and process for cold insulation of pipeline and ensure the tightness of the entire system.