4.8. Rotational Molding

Rotational molding (also called rotomolding or rotational casting) is a process for manufacturing seamless hollow plastic parts for a variety of applications ranging from liquid storage tanks to containers of various shapes. Consumer products such as furniture, playground equipment, and toys are made by this technique. Rotational molding produces dolls, doll parts, sit-in and sit-on toys, and various sizes of heavy-wall balls.
The past decade has seen a large growth in the applications of rotational molding and lining technology. Along with this growth, interest has increased in understanding the complex technical aspects of this technique. Rotational lining is employed when the objective is to coat the interior of a metallic ...

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