Bi-color injection is based on IMD technology. It is a combination of two colors injected onto an object, usually with black and white as the background. Generalized double color injection molding including the over-molding, done through ordinary twice injection molding machines. A narrow sense of two-color injection molding refers to the use of a two-color injection molding machine, mostly rotary type, which is two different types of plastic injection molding parts in the same machine. The former has low requirements for equipment but low production efficiency and is suitable for the molding of soft and hard adhesive materials with low requirements. The latter applies the scope to be widespread, offering good product quality, high production efficiency, and present tendency.
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