Injection molded plastic parts moving along a production conveyor
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The Real Advantages and Defects of Injection Molding — And When Each One Matters

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Injection molding’s advantages only kick in past a certain volume, and most of its defects are preventable rather than catastrophic. This guide covers when tooling cost actually pays for itself, which defects are cosmetic versus structural, and why multi-cavity or family molds are a trade-off between efficiency and design flexibility.