Uses and Applications of Polyurea for Coating Foam Projects

Polyurea is a coating that can be used on any foam props, signs and projects. It protects the foam shape from weather, water, sun, and humidity, age and break damage.

The polyurea coating combines high flexibility and durability with high hardness and is fast drying. It can be sanded to a smooth finish and can then be painted with any type of paint – water-base paint, including latex or any oil-based paint, as well as automotive paint. It dries in minutes, providing a tough chemical and abrasion resistant coating. Polyurea will not provoke blistering and blistering will not occur even at extreme temperatures or in humid environment. It will also resist yellowing from ultra violet light exposure. Since the polyurea dries very fast, it requires fast and efficient mixing and spraying techniques, thus, spraying a large foam piece with a spray gun is the smartest application method.

Without coating, any foam is exposed to dangers of breakage, sun and wind damage and corrosion. A foam sign, for example, can break anywhere between the packaging, the shipping, the handling and the installation phase. Whereas, with the polyurea coating, the sign thrown to the ground or tossed from one place to another will not break.

The polyurea coating is non-toxic and is completely safe for use. Any type of foam can be sprayed, from rigid foam to soft polyurethane foam. When spraying the foam with the polyurea coating, a smooth or a textured finish can be applied – according to the customer needs. The polyurea coating has many advantages, some of them include: High curing speed, protection from conditions of humidity, heat, cold and sun, extreme abrasion resistance, chemical resistance, good adhesion to the material it is sprayed on and unlimited application thickness.

The polyurea can be sprayed on any foam project; from signs, letters, logos and props, to prototypes, crown moldings, concrete molds and more. There are other types of coatings that can be sprayed or coated on foam, such as adhesive glue, epoxy coating and polystyrene; however, the polyurea spray coating is about 100 times stronger. Using a polyurea coating will not just make any foam project breakage resistant; it will also save any company from having to buy an expensive coating machine that costs tens of thousands of dollars. After applying the polyurea coating, the coated foam cab then be sanded to any desirable finish, painted and even bonded to a surface, such a plywood.

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