Film 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 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.
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Get 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.
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Get 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.
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Winders: 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.
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New Polypropylene Families for Packaging, Blends & Composites
Two new lines of polypropylene resins from Basell North America challenge PS, PET, PVC, and other PPs for clear, rigid packaging.
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Breaking Into Medical Films
Producers of barrier food wraps are invading the exclusive club of medical film makers. The new guys are shaking things up by introducing more complex films to cut the cost of medical packaging.
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New Metallocene TP Elastomers Tackle Films, Fibers, TPOs
The Vistamaxx family of propylene-ethylene specialty elastomers recently unveiled by ExxonMobil Chemical (see Your Business In Brief, August 2003) holds promise in a broad range of applications from very soft fabrics and films to very hard TPOs.
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