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Which behavior occurs when injection molded parts experience shear thinning?

A)Decreased viscosity eases cavity fill
B)Increased surface tension causes weldlines
C)Material solidifies at high temperature
D)Voids form due to thermal expansion

💡 Explanation

Decreased viscosity occurs because shear thinning is non-Newtonian behavior where viscous resistance reduces under shear stress during injection; therefore, the molten plastic flows easily to fill the mold because viscosity declines, rather than causing solidification or voids under different conditions.

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