Thermoforming
4 조회수
Low interlayer peel strength of PET composite sheet
문제 현상
PET/PE or PET/EVOH composite sheets delaminate during '2079851475616104458 or use.
원인 분석
Adhesive layer thickness is insufficient or improperly selected; melt temperatures of each layer do not match; lamination pressure is insufficient; shrinkage differences between layers are large.
해결 방법
Optimize adhesive layer material and thickness; adjust the temperature of each layer to match viscosities; increase laminating roller pressure.
핵심 요약
The interlayer bonding force of PET composite sheet depends on the adhesive layer and the process matching of each layer.
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