PT ZONE: Sheet Extrusion

‘Breakthrough’ Technology Allows for Super-Swift Sheet-Thickness Changes
New system uses a single-point adjustment to change the lip gap and modify the lip land length at the same time. More (+)
EXTRUSION AND COMPOUNDING AT NPE: The Word Is ‘More’
As in speed, power, quality, flexibility, layers, and efficiency. Those are the trends across all extrusion processes. More (+)


MOST RECENT CONTENT: Sheet Extrusion

EXTRUSION: Stack Can Handle Very Thin PET Sheet

Specialized equipment no longer needed for this application.

EXTRUSION: Integrated Roller Design

New design approach reportedly results in more reliable heat-transfer rollers for film and sheet processors.

Novel Package Nabs Another Award

Third time Clear-Lam's PrimaPak has been acknowledged.

EXTRUSION: ‘Universal’ Winder for Geomembrane, Ag Films

Center-turret type has two winding modes.

EXTRUSION: ‘Next Generation’ Gravimetric Extrusion Control System

Technology developed to maintain consistent extruder output by weight.

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OVERVIEW:
Sheet Extrusion

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Sheet is distinguished from film by its thickness: anything over 0.25-mm is considered sheet. The process closely resembles cast film extrusion. Thinner sheet is typical thermoformed into trays, clam shells, cups or bowls, whereas thick sheet may be used for signage, refrigerator liners and truck bed liners. Common sheet extrusion materials include PET, high-density polyethylene, polystyrene and ABS. Sheet can be produced in either single or multi-layer formats.


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