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Runner Design - 04 Cold Slug WellsCold Slug Wells
Cold slug wells improve the flow of the polymer by atching the colder, higher-viscosity polymer moving at the forefront of the molten mass and allowing the following, hot, lower-viscosity polymer to flow more readily into the mold-cavity. The cold slug well thus prevents a mass of cold material from entering the cavity and adversely affecting the final properties of the finished part.
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