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Thermally conductive compounds: hot enough for you?
The high strength-to-weight ratio, processing ease, corrosion resistance, and other properties of plastics have helped them replace metal in a variety of applications. Metals still beat plastics handily in thermal conductivity, but efforts continue to teach thermoplastics to conduct (more) heat at high speed.....more>> |
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Cold grinding gives plastics new 'character'
Demand in recent years for compounded fine powders has increased dramatically for rotational and slush molding applications, reports Joachim Stricker, sales manager at compounder Geba Kunststofftechnik). ....more>> |
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| Spotlight on... |
 EMI/RFI shielding
This supplier has expanded its range of LNP Faradex family of specialty compounds to include new grades said to offer better electromagnetic interference/radio frequency interference (EMI/RFI) shielding without an increase in the compound's loading of stainless steel fibers, thereby keeping costs and part weight down.....more>> |
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| Processing, Products, News, and Materials |
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Vinyl compounds weather well
The 8773 range of compounds are said to offer outstanding weatherability in a wide range of colors, including dark gray, cedar, dark green, dark brown and black. Sylvin developed the compounds in response to growing demand for more choices in dark colors that will maintain physical properties and color hold over time. This material is suited for fence, decking, railing and other exterior building and construction applications.....more>> |
 Automotive application: LGF-PP compounds helps cut costs
A long glass fiber (LGF) reinforced polypropylene (PP) from the TechnoFiber range, PP-LGF30, has been selected to substitute for a nylon 6 with short glass fibers in a cross member for a new subcompact car. The decision in favor of this PP material, which is LGF-reinforced at a rate of 30%/wt, was prompted by its price advantage over the previously used PA6 GF30 sourced from a competitor. ....more>> |
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 Kneader works well with wire compounds
The MX Kneader family has been updated to offer 2.5 times more throughput without an increase in line size. Thanks to a redesign of the kneading chamber, a larger volume is possible. Individual processing zones have also been optimized. This means the usual melt temperature increase, as a function of screw speed of high grade polyolefin-based wire and cable compounds, is said to be significantly less than with competitive equipment.....more>> |
 Increased fee volume, more torque for compounder
The ZSK MEGAvolume Plus is a co-rotating, intermeshing twin screw compounding extruder featuring a screw diameter of 76 mm. A new development of this compounder is that it retains a large free volume in the barrel with a 1.8 DoDi free volume.....more>> |
Compounders benefits from unit's new design
The recently launched ESE single screw discharge extruder can be mated in a cascade arrangement with the co-rotating twin-screw RHC compounding extruder to facilitate compounding highly filled polymers. Despite having a process length of only 8D, it is able to build up consistent pressure without increasing melt temperature. ....more>> |
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