Molding Process
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Evaluation of PLA oil and grease resistance
Problem Phenomenon
PLA products swell and soften in contact with oil and grease.
Cause Analysis
Oil and grease have a swelling and plasticizing effect on PLA, reducing the strength and Tg.
Solution
Conduct oil compatibility tests; control the oil contact conditions during use.
Key Takeaway
The oil and grease resistance of PLA is limited.
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