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Rotomolding, also known as rotational molding or roto moulding, is a versatile plastic forming process used to manufacture hollow, seamless, and durable products. During the rotomolding process, plastic powder is heated inside a rotating mold that turns around two perpendicular axes. This even distribution ensures uniform wall thickness and excellent structural strength. As manufacturing technology evolves, rotational molding continues to advance. With ongoing innovations in materials and automation, roto molding is becoming more energy-efficient and adaptable for diverse industrial applications.
Understanding the history of rotational molding helps develop deeper rotomolding knowledge. The process dates back to the early 20th century, first used to create hollow chocolate items. By the 1940s, rotomoulding was adopted in plastics manufacturing, leading to rapid growth in the industrial sector. Today, rotomolded products are used in industries such as automotive, agriculture, and construction, thanks to continuous improvements in roto molding technology.