Injection Molding
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LDPE '2079851475616104452 Warpage
Problem Phenomenon
LDPE injection molded cap and plug products deform.
Cause Analysis
High shrinkage rate + uneven cooling; large wall thickness differences.
Solution
①Balance mold temperature; ②extend cooling; ③uniform wall thickness; ④reduce holding pressure.
Key Takeaway
LDPE injection deformation = cooling balance.
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