Molding Process
4 조회수
White Marks Appearing on PBT Parts After Solvent Wiping
문제 현상
White marks appear on PBT products after wiping with alcohol, etc.
원인 분석
The solvent slightly erodes the PBT surface, producing surface roughening or precipitation of low-molecular substances, showing white.
해결 방법
Avoid wiping with solvents; use a neutral cleaning agent; anneal the product to reduce stress.
핵심 요약
White marks from solvent wiping of PBT are a manifestation of surface sensitivity.
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