Blow Molding
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PCTG '2079851475616104457 parison sag
Fenómeno del problema
In extrusion '2079851475616104457, the parison is too long and sags, causing uneven wall thickness.
Análisis de la causa
Insufficient melt strength (processing temperature too high), the parison is too long and hangs for a long time.
Solución
Lower the processing temperature to increase melt strength; use an accumulator head; increase parison wall thickness.
Conclusión clave
PCTG '2079851475616104457 parison control is the key to wall thickness uniformity.
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