Rotational Molding

Gantz-Newman, LLC specializes in Polyurethane Elastomer rotational molding. Parts are cast in a closed mold that is rotated in a preprogrammed biaxial rotation cycle.

Polyurethane Elastomer can be engineered to meet specific physical property requirements. Durometer, impact resistance, chemical resistance and tear-strength are a few of the parameters that can be engineered to meet your needs.

Rotational molding yields a hollow, yet structurally sound part with a relatively uniform wall thickness (as compared to fiberglass lay-up). There are very few design limitations with this process. We can replicate the most subtle detail and handle deep undercuts. The surface finish we obtain through our proprietary process surpasses surfaces yielded by fiberglass lay-up.

Another advantage we have over fiberglass lay-up is parts/mold/day. Many parts can be demolded in as little as 20 minutes, allowing us to cast almost twice as many parts per day than fiberglass. In many cases, molds only require a light cleaning after 200 parts with little or no wear and tear.

Metal and plastic inserts can also be cast directly into parts, eliminating the need for secondary operations and allowing multiple parts to be assembled easily.

For more information, please contact us via phone or email.

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