Molding Process
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Insufficient transparency of PLA products
Problem Phenomenon
PLA products have poor transparency and large haze.
Cause Analysis
The PLA crystallinity is high (>20%) or the cooling conditions promote crystallization, causing the transparency to decrease; impurities are present.
Solution
Use amorphous PLA grades; rapidly cool to suppress crystallization; keep the raw material pure.
Key Takeaway
PLA transparency is negatively correlated with crystallinity.
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