Material Analysis
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Scattered PLA heat distortion temperature test values
Fenómeno del problema
The HDT test values of PLA products with the same formulation are widely scattered.
Análisis de la causa
Uneven crystallinity leads to HDT differences, and the test samples have different heat histories.
Solución
Standardize and unify sample preparation and treatment; fully crystallize.
Conclusión clave
The HDT dispersion of PLA is related to the crystallinity difference.
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