Molds & Tooling
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Molding of PLA foamed beads (EPLA)
Problem Phenomenon
PLA foamed beads are difficult to mold and the bonding is poor.
Cause Analysis
The surface bonding of PLA beads is poor, and the bonding force between the beads is insufficient during molding.
Solution
Bead coating with adhesion promoter; molding temperature and pressure optimization.
Key Takeaway
PLA foamed bead molding is a technical difficulty.
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