Internal Gauge Control, 1996 Polymers, Laminations & Coatings Conference Proceedings

Reducing the thickness variation of blown films has been always a challenge. Particularly since the automatic flat die used in cast films has made +/- l-2% possible blown film has tried to catch up. Today the market knows several approaches with various results. +/- 3-4% thickness variations (2 Sigma) can now be achieved with blown film. This presentation is about the system that accomplishes this. It uses preferential cooling by the Internal Bubble Cooling air.

Author: Von Kraus, R.
Internal Gauge Control, 1996 Polymers, Laminations & Coating
Internal Gauge Control, 1996 Polymers, Laminations & Coatings Conference Proceedings
35.00

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