We have successful installations producing rotationally cast parts with materials including filled polyesters, water extended polyesters, urethane, urethane foam, gypsum plaster, straight polyesters and epoxies. The majority of molds in use today for the materials mentioned above are silicone rubber, urethane and latex. In general, it can be said that any mold material suitable for open casting of a particular resin is also suitable for rotational casting. A mold shell is generally required in conjunction with the rubber and may be made of urethane, FRP, plaster, metal or wood. Multi-cavity molds are easily handled and are almost always employed in the production of higher volume small parts.
Shrinkage can be less due to the thin walls of the casting.
This is one of our best selling models. This machine will handle 100 pounds of mold and content weight and comes with an operator's pendant for operator control. This model works very well for demonstrating materials as well as model making. It will not handle the size or weight of molds that our larger machines will, but it's excellent value for the money and as far as we know,without competition in size or price. This machine is a two independent drive machine capable of handling up to 400 pounds of molds and mold contents.