Extrusion
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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Tank Offers High-Capacity Cooling for Pipe
Suited for extruded PVC and polyolefin plastic pipe up to 24.9 in. in size.
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Next-Generation Gear Reducer is Sleek, Robust
Can accommodate a variety of extrusion requirements, including those with high and low torque, speeds and extrusion pressures.
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50 Years of Headlines … Almost
I was lucky to get an early look at many of the past half-century’s exciting developments in plastics. Here’s a selection.
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Brueckner Group USA Moving to Bigger Space
New facility in New Hampshire will serve the local customer base better and enhance capabilities in the North American market.
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The Importance of Viscosity in Melting
The calculations required to determine the right melt temperature for each polymer are complicated. Knowing the power-law coefficient and the consistency index of the polymer you run might prove useful.
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How Screw Design Can Mitigate Gels in PE Films
Gels are a constant issue in production of PE films using single-screw extruders. Gels can create quality issues via optical flaws, and they can cause the film to break on blown or cast film lines. There are numerous origins for gels, and the mitigation method depends on knowing the gel type.
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Teel Straps on Yellow Belt to Cut Scrap on Big Cores
Investments in a lean, continuous process pay off for this Wisconsin processor.
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