Blow Molding 11 visualizações

Poor transparency of PLA blow bottles

Fenómeno do problema

After PLA '2079851475616104457, the bottle body is foggy and the transparency is not enough.

Análise das causas

During the stretching process, PLA crystallizes and the haze increases; the preform heating temperature is high.

Solução

Control the preform heating temperature in the amorphous region; stretch quickly.

Conclusão principal

The transparency of PLA bottles is restricted by crystallization.

PLA blow bottle transparency crystallization

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