Rotomolding, formally known as “rotational molding” is the thermo plastic molding process that is best used for creating large container like products, such as coolers and containers. In order to create a product using the rotomolding process, a hollow mold filled with material, ideally resin that is from a natural source and has never been used before. This is is known as “virgin”material. The hollow mold is then heated and slowly rotated, causing the softened material to expand and stick to the walls of the mold. What seperates the good rotomolders from the great is their ability to handle the product and process past this point. While most molders will only mold, fewer …
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