Extrusion
Dual-Lip Air Ring Simplifies Auto-Profiling
New unit from D.R. Joseph reportedly easier to install, operate, modify and maintain than other auto-gauge control air rings on the market.
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Davis-Standard Appoints New V.P. for Canadian Businesses
Mike Brown responsible for executing the business operating plan, strategy and performance initiatives for Toronto-based subsidiaries Brampton Engineering, Deacro, and Gamma.
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Cooling the Feed Throat and Screw: How Much Water Do You Need?
It’s one of the biggest quandaries in extrusion, as there is little or nothing published to give operators some guidance. So let’s try to shed some light on this trial-and-error process.
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Belling Machine Forms 'Rieber' Socket in PVC-O Pipe
Italy’s SICA has developed an innovative Rieber belling process specific for PVC-O pipes. At the same operating pressure, these pipes require a wall thickness of about 35-40% less than those in conventional PVC pipe and allow the construction of water supply pipes up to 25 bar of operating pressure.
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Formulating LLDPE/LDPE Blends For Abuse–Resistant Blown Film
A new study shows how the type and amount of LDPE in blends with LLDPE affect the processing and strength/toughness properties of blown film. Data are shown for both LDPE-rich and LLDPE-rich blends.
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Laser Helps Keep Twin-Screws Aligned
Small laser helps processors align twin-screws more efficiently.
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Inlet Trap Keeps Volatiles Out of Extruders
High-capacity vacuum pump inlet trap that protects extrusion lines and vacuum pumps from the volatiles.
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Extruding PCR? Consider a Vented Extruder
You’ll need two-stage screws to extract volatiles that post-consumer reclaim will likely contain. Screw design can be a complex balancing act. Here’s what you need to know.
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Still Time to Register for SPE Extrusion TopCon
‘Precision Extrusion’ Topcon will be held June 21-23 in Nashville.
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Pregis Performance Flexibles: In the ‘Wow’ Business
Pregis went big and bold with investment in a brand-new, state-of-the-art plant and spent big on expanding an existing facility. High-tech lines, well-known leadership and a commitment to sustainability are bringing the “wow” factor to blown film.
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