Focare Mould, China top bi injection mold maker, quality offer co injection motor oil container lid, dual component automobile oil bottle cap mold, 2k automotive oil closure mold, multi material lube car oil lid mold.
Overmolding, like two injection molding, is a multiple injection molding process that uses two or more different thermoplastics to produce a single final product. This process is ideal for engineers who want to build components that are strong, functional, beautiful, and that will not separate over time. In order to start the over-molding process, engineers injected a harder over-molding material. Then, the substrate is placed in a complex mold or a complex cavity in the same mold. The molten overmolding material is sprayed into the substrate, or onto the substrate, or sprayed around the substrate. After the molten material is cooled, the substrate and the mold are bonded chemically or mechanically.
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