Pipe, Profile & Tubing 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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White Mineral Oil A New Way to Lubricate Rigid PVC
Processors of rigid PVC pipe, window profiles, siding, fencing, and doors can save money and speed compound mixing by using a new grade of white mineral oil as an external lubricant in place of the usual paraffin wax.
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鈥攁nd one of the trickiest鈥攊n the booming 大象传媒 of wood-filled thermoplastic extrusion.
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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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Family Lumber Business Turns To Plastics
Five years ago, Quality Wood Treating in Prairie Du Chien, Wis., was a 30-year-old family lumber 大象传媒 and one of the largest wood pressure-treaters in the country.
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Building a Business on Energy Savings
Entrepreneur Sven Eckert doesn’t like to waste energy.
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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.
Read MoreComputer Flow Analysis Helps Develop New Profile Dies Faster
Computational fluid dy namics (CFD), or flow analysis, is routinely applied to dies for cast or blown film.
Read MorePlastics a Carpenter Could Love
Jim Rock has tried to put sawdust into plastics off and on for 20 years, long before wood composites became fashionable.
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