The Granger Plastics Company specializes in large and more complex mold products and components. Our rotational molding services provide products with competitive pricing, design flexibility and uniform construction. We provide a variety of complex inserts, threaded fittings, roto-molded heavy walled intricate parts, as well as custom molds for to fit the changing needs of all customers.
Rotational molding, commonly referred to as "rotomolding", is a plastic casting technique used to produce large hollow, seamless, and double-walled parts. It is a three-stage process that involves a mold on a rotating frame, a heating chamber, and a cooling chamber. Molds for the rotomolding process are specially designed....
Blow molding is a type of plastic forming process for creating hollow plastic products made from thermoplastic materials. The process involves heating and inflating a plastic tube known as a parison or preform. The parison is placed between two dies that contain the desired shape of the product...
Molding is a manufacturing process that uses a mold - the latter being a solid container used to give shape to a piece of material. It is a forming process. The form is transferred from the mold to the material by...
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