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Case Studies

Co-Injection Molding Analysis

The Problem
An injection molder needed to determine the feasibility of using a co- injection molding process to reduce the manufacturing cost of a plastic chair. The chair was to be manufactured using a virgin talc-filled polypropylene for the skin resin, and a regrind talc-filled polypropylene for the core resin. In order to justify the higher cost of building a co- injection mold the chair had to consist of at least 30% regrind… [Download to continue reading…]

Co-Injection Molding Analysis Case Study