Material Analysis
11 조회수
PAR recycling challenges
문제 현상
PAR recycling and re-pelletizing is difficult, and the quality declines with each thermal history.
원인 분석
Repeated high-temperature heating degrades the molecular chains, decreases the molecular weight, and changes the color.
해결 방법
Promote virgin use to reduce recycling dependence; control the ratio during recycling, such as 30%.
핵심 요약
PAR mechanical recycling is limited.
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