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Pu polyurethane foam sprayer machine / polyurea spray machine are high pressure 2 component reactor system with heater. Spray foam is available in high density 1.75 to 2.0 lb) for roof repairs, and in standard density (0.75 lb. Spray foam insulation polyurethane rigid pu for cold room blend polyol sda13e spray rigid pu foam for cold storage description sda13e cold storage insulation system blend. 5.0 out of 5 stars 1. The pu polyurethane foam reacting system will supply 1:1 1:2 mix ratio. A wide variety of polyurethane spray foam options are available to you, such as usage, main raw material. This product is available through polyurethane foam manufacturer specialty products, inc. Spray foam of attic and then foam being cut evenly.