Other Rigid Polyurethane Foams

The versatility and functional excellence of polyurethane foams enables it to be used in various applications in addition to Polyiso. Rigid foams are also used in the construction industry in many forms: metal-faced panels, spray, bunstock, molded products and aerosol sprays and sealants. The main reasons for using rigid foam is for its thermal performance, but formulations for the construction industry are also used because of additional properties such as: fire resistance, structural stability, decorative properties, weight reduction, sealing and gap filling.

The NAFTA spray foam application has been growing in recent years because of the high cost of heating or cooling buildings. Studies show that energy savings paid for the cost of the spray foam in 3 – 4 years. Rigid bunstock is efficiently produced on continuous conveyors and can be cut into special shapes, such as for pipe insulation. The properties of most rigid bunstock foams are similar to the faced polyiso boards.

One of the fastest growing product areas is polyurethane foam in aerosol cans. Bonding foam is the ideal product for making buildings airtight, which can considerably increase energy savings in buildings. One-component polyurethane foam is a moisture-curing reaction mass that contains a blowing agent and is ideally suited for assembly, insulation, filling, and sealing. Two component kits are available for spray foaming small, hard-to-reach areas.

An efficient packaging material must perform several functions. Above all, it must provide adequate mechanical dampening of shock to protect delicate, packaged articles against damage. Rigid polyurethane foams are employed in packaging especially for fragile goods.
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