Blow Molding
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Rough Surface of LDPE Blow Molded Bottles
Problem Phenomenon
LDPE blow molded bottle surface is glossless and orange-peel.
Cause Analysis
Low parison temperature or melt fracture; improper mold temperature and insufficient blow air pressure make surface replication poor.
Solution
①Raise parison temperature; ②increase blow air pressure; ③adjust mold temperature; ④treat melt fracture.
Key Takeaway
2079851475616104457 surface = parison temperature + blow air energy.
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