History of Rotational Molding
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History of Rotational Molding

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History of Rotational Molding

Rotomolding as a process dates back to 1855 with R. Peters of Britain using biaxial rotation and heat to create metal artillery shells and other hollow vessels. Rotomolding was introduced in the plastics world in 1950 as a way to manufacturer doll heads. In the 1960’s an indirect high velocity air system replaced the direct gas jets as a way to heat the products allowing for the manufacturing of large containers from low-density polyethylene. In the 1980’s other plastics like polycarbonate, polyester, and nylon were introduced to rotational molding allowing for the production of fuel tanks and industrial moldings.

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