What is the rotomolding technology of PVC film?

Rotomolding of PVC film is also called rotomolding, rotational molding, rotary molding, etc. It is a hollow molding method for thermoplastics. The method is to first add plastic raw materials into the mold, and then the mold is continuously rotated along two vertical axes and heated.

Under the action of gravity and heat, the plastic raw materials in the mold are gradually uniformly coated, melted and adhered to the entire surface of the mold cavity, formed into the required shape, and then cooled and shaped into a product.