Molding Process
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Insufficient heat seal strength of PLA film
Fenómeno do problema
The seal strength of PLA film after heat sealing is low.
Análise das causas
The PLA heat sealing temperature window is narrow (between the start of melting and degradation) and the parameters are improper; the strength of the film itself is limited.
Solução
Precisely control the heat sealing temperature, time, and pressure; use a heat seal enhancing formulation.
Conclusão principal
The PLA heat sealing process window is narrow and needs precise control.
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