Material Drying
4 조회수
HDPE '2079851475616104457 parison streaks
문제 현상
Longitudinal light-colored streaks appear on the parison, and the product surface gloss is uneven.
원인 분석
Excessive extrusion pressure/back pressure, high regrind ratio, raw material moisture or drying system abnormality, temperature control drift.
해결 방법
①Reduce extrusion pressure/back pressure; ②reduce the regrind ratio; ③test raw material moisture and the drying system; ④check the temperature controller.
핵심 요약
Streaks are investigated along three lines: pressure, regrind, and moisture.
이 정보가 도움이 되었나요?
0 명이 도움이 되었다고 합니다
의견 주셔서 감사합니다!