PU Sandwich Panel is composed of 2 layers of weatherproof color steel plates, and rigid polyurethane is sprayed between the 2 layers of fireproof material. Suitable for various roofs and walls of large workshops, warehouses, exhibition halls, gymnasiums, freezers, purification workshops, etc. It has the characteristics of heat preservation, heat insulation, load bearing and weatherproof. Bright color and beautiful appearance.PU sandwich panel consists of 3 layers, outside and inside are two dyed galvanized or aluminum corrugated panels with core polyurethane (PU) rigid foam.
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