Material Drying
4 조회수
PETG smoking during extrusion molding
문제 현상
Smoke and odor appear at the PETG extruder die head or vent port.
원인 분석
2079851475616104451 insufficient and moisture vaporizes, processing temperature high and low-molecular substances volatilize or degrade, residual monomers or solvents in the raw material.
해결 방법
Fully dry to moisture <0.01%; lower the processing temperature to 230-250°C; check raw material quality; strengthen ventilation and exhaust.
핵심 요약
PETG extrusion smoking is usually related to moisture and temperature.
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