Articles
How to Select the Right Cooling Stack for Sheet
First, remember there is no universal cooling-roll stack. And be sure to take into account the specific heat of the polymer you are processing.
Read MoreUsing a Melt Flow Indexer to Test Your Pressure Transducer
The MFI tester enables collection of meaningful pressure data in transducers in a relatively short time, providing realistic measures of the response time of a pressure transducer. This information is critical in the interpretation of pressure data measured in an extrusion process.
Read MoreOptimizing Pack & Hold Times for Hot-Runner & Valve-Gated Molds
Using scientific procedures will help you put an end to all that time-consuming trial and error. Part 1 of 2.
Read MoreNew Screw Boosts Mixing, Enhances Polymer Properties
Device mixes at the ‘molecular level,’ inventor says, to boost mechanicals and in some cases make pre-drying redundant.
Read MoreHow to Configure Your Twin-Screw Barrel Layout
In twin-screw compounding, most engineers recognize the benefits of being able to configure screw elements. Here’s what you need to know about sequencing barrel sections.
Read MoreThe Connector Conundrum: 3D Printed Mold Tooling’s Role in Innovation
ReelView Fishing faced an electronics obstacle in the development of its new technology for underwater video. Additive manufacturing for moldmaking allowed for the speed necessary to iterate to a solution. How inventors and invention will benefit from new ways of obtaining production-ready tooling.
Read MorePrices Drop for All Five Commodity Resins
While PE price reductions were not as apparent, they too were following the year-end price trajectory of PP, PS, PVC and PET.
Read MorePlastics Processing Index Remains Virtually Unchanged
Future business indicators rose again this month, but other inputs changed only slightly.
Read More7 Takeaways on 3D Printing As a Pathway to Polymer’s Future
The Cleveland section of SPE hosted “Additive Manufacturing: Printing the Path for the Future” on October 17, 2024. Speakers signaled where AM is and where it is headed with session topics ranging from pellet-based 3D printing to qualification and commercialization of additively manufactured products.
Read MoreLeading Cast Film Processor Adding Blown Film Capacity
Malpack adds two multilayer blown film lines for agricultural, stretch hood and shrink films.
Read MoreWhat's Restricting My Output Rate?
In a single-screw extruder, it could be an improperly designed barrier flighted entry section. Here’s why.
Read MoreMaterials Suppliers Team on PFAS-Free Solutions
Baerlocher PFAS-fee process aid passes muster in resin manufacturer’s testing on production-sized blown film line.
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