Extrusion & Post
5 görüntüleme
LDPE Blown Film Bubble Breakage
Sorun Belirtisi
The film bubble breaks during production.
Neden Analizi
Low strength at gel/impurity spots on the film surface, extrusion fluctuation, and excessive air ring air speed blow the bubble apart; over-stretching of the bubble also breaks it.
Çözüm
①Reduce gels and impurities; ②Stabilize extrusion; ③Adjust air ring air speed; ④Check the bubble stretch ratio.
Temel Çıkarım
For bubble breakage, first find the source of the weak spots.
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