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Here are a number of} of the commonest defects that may occur in plastic injection molding — and the way product teams can keep away from them. Soft tooling Stainless Steel Whistling Teapots is a cost-effective tooling technique that's well-liked for use with forged urethane moulding. It permits producers to shortly produce relatively low volumes of components. Silicone is the most commonly used soft tool material for forged urethane, and it is an ideal manufacturing course of for low-volume production and prototyping. Following the design tips for plastic injection molding will help keep costs down.