Double injection is two kinds of plastic materials are injected on the same injection machine, forming twice, but the product only comes out of the mould once. Generally, this kind of moulding process is also called double material injection moulding or two-component injection, which is usually completed by a set of moulds and requires a special two-color injection moulding machine. Dual-color dies are becoming more and more popular in the market nowadays.
Two color injection molding process
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