Rigid polyurethane foam board is a hard board formed by polyisocyanate and polyether materials under the action of catalysts, foaming agents, flame retardants and other additives. The product has light bulk weight and low thermal conductivity, so it has very good cold insulation effect without thermal insulation. The product is a closed cell structure, with uniform micropores and a closed cell rate of 97%. Therefore, it is non absorbent, flame retardant, anti-corrosion, and has high strength. The use temperature is - 196~+120 ℃. It can be widely used in the thermal insulation and cold insulation fields of buildings, refrigeration, petrochemical industry, and electric power industry.
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