Injection Molding
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Warpage in PCTG '2079851475616104452
Problem Phenomenon
Flat products bend and warp after demolding.
Cause Analysis
Uneven mold temperature causes shrinkage differences, uneven wall thickness causes cooling rate differences, asymmetric molecular orientation.
Solution
Balance mold temperature; design uniform product wall thickness; optimize gate position.
Key Takeaway
The core cause of PCTG warpage is non-uniform shrinkage.
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