Double color molding process is that the two-color products are moulded by one double color injection machine and two-color mold at once, the double color product is only ejected once. Generally, this molding process is also called two-component injection molding, which is usually completed by a set of molds and requires a special two-color injection molding machine. Plastic products are used two different color, two different types of plastics or two identical plastics, and the two plastics can be clearly distinguished on the product are called two-color plastic products. Installed in a two-color injection molding machine with two sets of injection devices, a mold that injects two plastics in sequence and generates a two-color product is called a two-color mold.

Please refer to this romantic double color cup, which is designed for making by two-color rotary injection mould. The technological key-point is the logo or totem which customer would like to make with double color injection. If the totem is tiny, small or complicate, it is not only for making double color plastic injection mould, but also for two-color injection.