Extrusion & Post
4 조회수
Longitudinal Stripes on PBT Extruded Plate
문제 현상
Continuous lines along the extrusion direction appear on the surface of the extruded plate.
원인 분석
Local damage or material hang-up on the die lip; scratches on the three-roll surface; gel or impurities in the melt.
해결 방법
Polish the die lip to repair the damage; clean the three-roll surface; check the filter screen and raw material quality.
핵심 요약
PBT plate stripes mainly come from mechanical damage and impurities.
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