Sheet Extrusion
Compounding PLA on Twin-Screws: What Testing Reveals
Twin-screw extrusion is the preferred method for compounding PLA and other biopolymers. But processing PLA is complicated because it’s sensitive to heat and shear. It’s also prone to hydrolytic degradation if moisture is present in molten PLA. Here’s what one machine builder’s trials revealed.
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Use Your Gauge to Solve Processing Issues Upstream
Gauging systems have an often-overlooked but equally important role beyond measuring web thickness: They can be used as a diagnostic tool to troubleshoot the process. Here's how.
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Top 10 Extrusion Items in 2013
Here's a quick rundown of things that caught my eye--and likely the attention of extrusion processors, in 2013.
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Telltale Temperatures
Here's how to get a 'feel' for a screw design without actually seeing it. And how to use this information.
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Extrusion/Compounding at K 2013: Having It All
Extrusion processors no longer need to chose among speed, quality, and flexibility, based on exhibits at K 2013.
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SPI and ACC partner on rigid plastics packaging, thermoforming
Can polyethylene terephthalate (PET) thermoforms enjoy the same recycling rates as their bottle brethren? Increasing thermoformed packaging reclaim, and that of other rigid plastics, will likely just be one goal of a new collaboration between SPI and ACC.
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There’s No Lid on This Processor’s Creativity
For this lid maker, the keys to success are speed, flexibility and ingenuity.
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Stackable, Recloseable Package Hits Store Shelves
Clear Lam’s revolutionary PrimaPak debuts as package for pretzels.
Read MoreNew Source of Flexographic Printers
Allstein GmbH opens sales office New Jersey to offer 'rugged press that is easy to use and attractively priced.'
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PP Cup Billed as Alternative to PS Foam
Cellular structure is created during the sheet extrusion process using atmospheric gas.
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