Molding Process
5 görüntüleme
Poor liner adhesion of PET bottle caps
Sorun Belirtisi
The liner inside the aluminum or plastic cap of PET bottles seals poorly with the bottle mouth, causing leakage.
Neden Analizi
The bottle mouth sealing surface is uneven or has flash; liner material has poor adhesion to PET; capping torque is insufficient or excessive.
Çözüm
Improve bottle mouth sealing surface flatness; select liner materials with good compatibility with PET (EVA, etc.); control capping torque.
Temel Çıkarım
PET bottle sealing involves dual factors of bottle mouth precision and liner matching.
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