Up-to-date requirements to plastic wares presuppose combination of high maintenance features, attractive appearance and pleasant haptic feeling. Using multi-component technologies allows obtaining multi-colored parts, combining different materials and elements in one ware, diversifying design and , what is also important, saving expensive raw materials at the expense of making the so-called sandwich wares. Multi-component wares injection molding is a complex process requiring application of special units, particular molds construction, high technologies.
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