PT ZONE: Film Extrusion

PT Article Connecticut Joins Film Recycling Initiative
A major focus of the new partnership will be to increase voluntary participation in the recycling of plastic bags, wraps and other film packaging at supermarkets, grocery stores and other retail locations. More (+)
Davis-Standard Expanding in Connecticut
Extrusion systems supplier adding 15,000 ft2 for manufacturing in Pawcatuck. More (+)


MOST RECENT CONTENT: Film Extrusion

Food Packaging Should Remain Strong

But industrial markets could slip.

Make Plans to Attend Extrusion 2016 Conference

Event for all extrusion processors will be held Dec. 6-8 in Charlotte.

Nordson Names New Director of Engineering and Operations

Thomas Ebeling will be in charge of the engineering and production teams for ED extrusion and polymer coating dies and Premier fluid coating dies.

North American Plastics Machinery Shipments On the Rise in the First Quarter

Shipments of primary plastics equipment in the first quarter were up 13.5% from the year-ago quarter.

EXTRUSION: New Winder Handles Large-Diameter Rolls

Jumbo rolls can be wound to 1200 mm.

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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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Novatec shares their knowledge of dryers and drying techniques.

Product Announcements

EXTRUSION: New Winder Handles Large-Diameter Rolls
Reifenhauser Blown Film 6/6/2016
EXTRUSION: New Temperature Controller, HMI Boost Film Productivity
Hosokawa Alpine American 5/4/2016
FILM EXTRUSION: Powerful Narrow Web Cleaner
Simco-Ion, Industrial Group 3/2/2016
EXTRUSION: Direct Extrusion System For Sheet, Film
Leistritz 12/10/2015
EXTRUSION: Multi-Layer Lab Line
Randcastle Extrusion Systems, Inc. 12/10/2015

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