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Rotational Molding
Rotational molding is a four-step process. Comprised of: loading, heating, cooling, and unloading. After the mold is charged with polyethylene plastic and rotated, the mold is then placed in an oven to let the plastic uniformly adhere to the inside mold surfaces and then cooled to let the plastic solidify.
Some of the advantages of this technique are the molds are its relative costs compared to injection or blow-molding tooling. So it maybe good for a start up or low volume production. Examples of its use are industrial parts, playground equipment, and outdoor garden products. It combines durability and toughness on impact, but it’s also flexible in its design versatility.
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