Polyurethane (PUR/PIR) insulation material has low thermal conductivity and excellent insulation effect, suitable for various scenarios such as building insulation and cold chain insulation.

Rigid polyurethane foam is a new type of low temperature heat insulation material, which uses polyether or polyester and polyisocyanate as the main raw materials, together with flame retardant, stabilizer and foaming agent, to produce chemical reaction through mixing and stirring to form a foaming body. Due to the low thermal conductivity of the foaming agent gas inside its pores, it has a certain self extinguishing property and is commonly used for low-temperature insulation. It has the advantages of low thermal conductivity, high strength, light weight, sound insulation, shock resistance, insulation, strong floatability, stable chemical properties, and easy construction. Its temperature range is between -80 ℃ and+100 ℃, and it is widely used in petrochemical and coal chemical industries LNG、 Used in cold storage, food storage, household appliances, refrigerators, and construction industries such as partition walls and wall panels. When applied, it can be made into plate-like or shell like products by prefabrication factories, or it can be sprayed or injected with foam on site.