Extrusion
Solving Gels in Thin Film, Tubing Extrusion
Gels are a common quality problem in thin film and tubing extrusion. To solve them, learn from where they came.
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Stretching Film's Limits
In the hyper-competitive stretch-film market, more layers often mean more market share. Moving from five layers to seven or nine can give an edge through higher performance or reduced cost.
Read MoreNPE 2000 News Wrap-Up: Extrusion
At this year’s NPE, new processes to put wood flour into plastic were virtually everywhere—several even start with undried flour.
Read MoreNPE Newsfinder: Extrusion
NPE will show higher outputs of practically everything, as advances in grooved feeds, servo drives, screw torque, mixing screws, dies, and downstream cooling, cutting, and handling make everything run faster.
Read MoreWood Tubes Close-Up
Hollow tubing with a high loading of wood fiber is one of the newest products—and one of the trickiest—in the booming business of wood-filled thermoplastic extrusion.
Read MoreGet the Roll Surface Right
Roll finishes often cost more than the roll itself. The right finish improves film or sheet quality and raises output. Yet most processors don't know how to measure surface roughness or to specify it properly.
Read MoreGet Smart About Screens
Almost all extrusion processes pass melt through wire-mesh screens on the way to the die to provide filtering and improved mixing.
Read MoreFamily Lumber Business Turns To Plastics
Five years ago, Quality Wood Treating in Prairie Du Chien, Wis., was a 30-year-old family lumber business and one of the largest wood pressure-treaters in the country.
Read MoreWinders: They're Pushing New Limits In Speed and Tension Control
New-generation winders for blown and cast film are winding bigger, better rolls at higher speeds and lower tension. They've gotten so fast that cast film lines can now realize their full productive potential.
Read MoreGarbage In, Good Plastics Out
Experts consider it the most high-tech recycling plant in the world: Schwarzataler Kunststoff in Germany takes dirty bottles and film from post-consumer recycling and turns them into automotive and other compounds in a fully automated process.
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