PT ZONE: Film Extrusion

Savvy Vietnamese Firm Launches All-PE Laminated Pouches
Thanh Phu’s ‘Veloflex’ converting technology results in packaging with optics similar to conventional laminated structures but is readily recyclable. More (+)
K 2016 Extrusion: Speed, Versatility Rule the Day at K
Shorter product runs mean frequent product changeovers for processors, and suppliers responded to these trends across all extrusion technologies. More (+)


MOST RECENT CONTENT: Film Extrusion

How to Collect & Interpret Process Data in Extrusion: Part 1

The first installment of this three-part series focuses on proper use of a data- acquisition system.

Auxiliary Equipment Suppliers Take Partners to Boost Extrusion Offerings

Maguire and Moretto acquire extrusion equipment and controls.

Alpine Piled on the Layers At K 2016

A record for film blowing at a show: 11 layers.

Will Oil Price Fluctuations Continue to Be a Key Driver In PE Pricing?

Oil prices just rallied above the $50/bbl mark; this, while PE prices continued to decline this month.

Take These Steps To Maintain Efficiency Of Your IBC

The overall performance of a blown film line depends on a properly tuned and maintained IBC control system. Follow these preventive-maintenance tips to keep your system running smoothly.

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OVERVIEW:
Film Extrusion

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Film is divided into two subcategories: cast, or flat film; and blown film. In the former, hot plastic is extruded through a flat, slit die onto a polished chill roll where it is quenched, pulled to a second set of rolls to cool the other side, then wound. In blown film, plastic is extruded into a cylindrical die, then inflated to form a bubble, which is ultimately cooled and collapsed. Films can be either single or multi-layer. Most are based on polyethylene. Bags are one primary example of film extrusions.


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Watch video, download datasheets and more in the Plastics Conveying Knowledge Center.

» Plastics Drying

Novatec shares their knowledge of dryers and drying techniques.

Product Announcements

EXTRUSION: Feedblock Fine-Tunes Layers, Balances Velocities
Nordson Extrusion Dies Industries LLC 9/27/2016
EXTRUSION: Narrow-Web Film Gauge
NDC Technologies 9/21/2016
EXTRUSION: Biax Line in Virtual Reality
Parkinson Technologies Inc. 9/21/2016
EXTRUSION: Stretch Film Line Is ‘Bigger, Faster, Smarter’
Cloeren Incorporated 9/9/2016
EXTRUSION: Narrow-Web Film Gauge
NDC Technologies 9/8/2016

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