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← TechnologyWithin injection molding, which consequence results when melt temperature tolerances substantially exceed specifications?
A)Increased volumetric shrinkage occurs✓
B)Resin thermal expansion reduces
C)Crystallinity rate decreases overall
D)Polymer chain scission is lessened
💡 Explanation
Increased volumetric shrinkage occurs in molded parts due to greater density variation via non-uniform cooling, since exceeding the melt temperature tolerance increases material thermal contraction as it solidifies. Therefore, a larger void volume forms rather than minimal consistent shrinkage under ideal temperature condition.
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