Ralph S. Alberts Company, Inc.

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Montoursville, PA  |  570-368-6653

As a specialist in rapid prototyping, Ralph S. Alberts Company is a custom molder of foam padding and urethane for the amusement industry. Since 1963 we have done urethane molding and urethane casting using flexible and rigid urethanes. Our low-cost tooling equals quality molded parts!

Polyurethane Molding Power Pages

Polyurethane Molding

Polyurethane Molding

Polyurethane molding is the process of fabricating or manufacturing plastic parts by introducing a urethane polymer system into a tool or mold and allowing it to cure. Like any other type of plastic, the excellent processability...

Polyurethane Rollers

Polyurethane Rollers

Polyurethane rollers are cylindrical rollers covered by a layer of elastomer material called polyurethane. Depending on the application, the inner roller core is prone to scratches, dents, corrosion, and other types of damage...

Urethane Casting

Urethane Casting

Urethane casting is the process of injecting polyurethane and additive resins into a soft mold usually made of silicone elastomer. The casting process is similar to injection molding; injection molding differs by using hard, metal molds...

Plastic Molding Processes

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