Injection Molding
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Poor Surface Gloss of LDPE Injection Molded Products
Problem Phenomenon
The product is dull and not bright.
Cause Analysis
Low mold temperature gives poor replication; LDPE itself has a soft surface and low gloss.
Solution
①Raise mold temperature; ②polish the cavity; ③increase holding pressure; ④confirm the gloss expectation of the grade.
Key Takeaway
Soft material gloss relies on mold temperature and polishing.
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