Articles
Harvey Update: Partial Reopening of Ports and Rail System Underway
Estimated 525 million pounds of ethylene output was lost from August 24-31.
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How Low Can Low-Rate Feeders Go?
More and more processors are looking for greater precision from their feeding equipment. Here’s what some are doing about it.
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How CT Scanning Can Cut Your Product-Development Time
Computed tomography scanning offers molders a wide range of benefits, often saving them hundreds of hours during the processes of mold building, mold tryout, and first- article approval. Here’s what you need to know.
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Dry-Ice Cleaning Pays Off Big For High-Tech Molder
Mold running time has been increased by 200-500% at Performance Plastics.
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Commodity Resin Prices Generally Flat
The exceptions are PS and PET, though they may have bottomed out last month.
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Injection Molding: How Repeatable is Repeatability?
Process repeatability is not a constant, but varies over time in response to a number of variables. That variation is not captured by a snapshot in time—measuring a discrete sample of parts. And the only way to manage that variation is with process controls that adjust each and every cycle.
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A Culture Built on Innovation in Medical Tubing Extrusion
Microspec was born out of innovation, and 28 years later continues to set the global standard in medical tubing by developing high-precision multi-lumen catheters—among other tubing products—by refusing to believe “it can’t be done.”
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Extrusion: The Facts About Barrel-Temperature Override
Cooling the barrel more may extract heat from the barrel, but not necessarily from the process. Here’s why.
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Injection Molding: Put Out the Production Fire Once and for All
A deliberate approach to failure assessment, root-cause analysis, solution development, and continued monitoring is the only way to get off the treadmill of chasing the latest production problem.
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New 3D Printers at NYC Show
Affordability, speed, and improved mechanical properties appeal to early adopters.
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Latest PCW Update on Tropical Storm Harvey: Polyolefins
Several monomer and resin shutdowns have been underway with several coming before then Hurricane Harvey made landfall.
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Materials—Cycle Time: Science vs. Rules of Thumb—Part 3
To properly calculate cycle time, you need to understand how the modulus of a polymer increases as it cools in the mold.
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