Polyurethane Coatings for Foam

Polyurethane Coatings provide an advantage compared to polyester encapsulates and epoxies. Made with a 50-50 mix of polyurethane and polyurea, spray Hard Coats imparts a high level of impact resistance to foam substrates. Polyurethane Coatings help bring about dramatic reductions in production time. Fabrications that might take days using polyester fiberglass can be reduced to hours using spray Polyurethane Coatings for foam.

Spray polyurethane hard coats are used for a range of applications where foam substrates require protective coatings, including film production sets, point-of-purchase sales displays, interior and exterior store decorating, theme and amusement park installations, and architectural uses. The main use is to increase hardness in addition to being impact resistant. They can also add fire retardant, which is particularly important in residential building uses.

Depending on the particular version used, Polyurethane Coatings can give increased resistance to stresses caused by bending as well as those associated with the extreme changes in temperature of freezing and thawing cycles. Hard Coats are all solids and contain no volatile organic compounds.

Polyurethane Coatings also offer superior results in manufacturing of molded parts. Spray application rigid Polyurethane Coatings are used wherever resistance to cracking and increased hardness are required. A high quality coating such as the Chemthane 7400 series will allow considerably faster production because of reduced curing time. Since it cures to the touch in approximately 15 minutes, parts can be removed from the mold in minutes. Because the de-molding time is reduced to minutes rather than hours, the number of parts per mold produced in a day can be as much as ten times greater.

These coatings are especially well suited to applications where appearance of surface texture is important, such as simulating rocks and undersea formations. They also have superior resistance to environmental factors such as UV light, moisture, extreme temperature fluctuations, and stresses and strains from bending.

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Among the different kinds of Polyurethane Coatings for foam are the polyurea fast-curing solventless spray resins. These are used for concrete making as well as mold production. A unique specialty use for the elastomeric polyurethane resins such as the Chemthane 7850 series is fabrication of simulated tree bark. Spray-in-mold production speeds up the entire process by making it easy to produce a sheet of flexible resin that can be cut, colored and applied to any desired surface. Alternative methods of making artificial trees require much more time and specialized equipment and expertise to create realistic-looking bark. The sheets created by the polyurethane spray-in-mold process are ready to be removed from the mold in about five minutes time and can be cut with commonly available tools.

For fabrications to be used on a movie set, theme park, hotel, restaurant or retail store location, Hard Coats Polyurethane Coatings for foam provide superior protection in the form of impact resistance, hardness and protection.