In St. John the Baptist Parish, EPA used its authority to require the Denka facility to install fence line monitors to identify sources of emissions onsite, allowing the EPA and communities to better understand air pollutants in a quick, reliable way. This month, Denka complied with EPA’s request to install these monitors.
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Part 1 of this contribution, published in the May 2021 edition of Rubber World, investigated a real manufacturer’s process that was set to produce medical tubing. It was found (through trials at the extruder, then through simulations) that the equipment available to the manufacturer was too large for the relatively low output that was required for this project, and consequently the polymer was degrading on the screw surface. It was ultimately determined through simulation that a smaller extruder, with a screw optimized for the low rate, would work better.
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Mold design processes today benefit from sophisticated
design software that creates 3D models easily exported to
manufacturing, CAM programming and metal cutting
April Issue
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