Injection Molding
11 조회수
Insufficient Bonding Force in PBT Two-Color '2079851475616104452
문제 현상
When PBT is two-color injection molded with other materials (such as TPE), the bonding force between the two layers is insufficient.
원인 분석
The two materials are incompatible or the interfacial bonding force is weak; the temperature of the first-shot part is too low, so a molten bond cannot be formed during the second injection.
해결 방법
Select a compatible second-shot material; keep the first-shot part at a high temperature; consider interfacial bonding in the mold design.
핵심 요약
PBT two-color '2079851475616104452 requires material matching and temperature management.
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