Injection Molding
11 조회수
Severe mold deposit of PBT injection molded parts
문제 현상
White or yellow deposits (mold deposit) appear on the mold surface after a period of PBT '2079851475616104452.
원인 분석
Low molecular oligomers and additives in PBT migrate to the mold surface and deposit at high temperature; impurities accumulate in the recycled material.
해결 방법
Clean the mold regularly; reduce the processing temperature; select PBT grades with low oligomers; use anti-mold-deposit additives.
핵심 요약
PBT mold deposit is the result of additive and oligomer migration.
이 정보가 도움이 되었나요?
0 명이 도움이 되었다고 합니다
의견 주셔서 감사합니다!