Material Analysis
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Scattered PLA heat distortion temperature test values
Problem Phenomenon
The HDT test values of PLA products with the same formulation are widely scattered.
Cause Analysis
Uneven crystallinity leads to HDT differences, and the test samples have different heat histories.
Solution
Standardize and unify sample preparation and treatment; fully crystallize.
Key Takeaway
The HDT dispersion of PLA is related to the crystallinity difference.
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