Extrusion & Post 7 visualizações

Burnt Material at LDPE Extrusion Die Head

Fenómeno do problema

The die head gap periodically brings out yellow burnt material.

Análise das causas

Stagnation and degradation in die head flow channel dead spots; temperature too high or residence too long.

Solução

①Clean die head flow channels; ②optimize flow channels to reduce dead spots; ③control temperature; ④regularly disassemble and wash.

Conclusão principal

Burnt material = dead-spot stagnation degradation.

LDPE; extrusion; burnt material; die head dead spot; degradation

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