Recycling
They've Been Working on the Railroad
Composite RR ties could finally be on their way to becoming the next big thing in plastic lumber. They are attracting interest from makers of marine pilings, another category of structural wood replacements.
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How to Use Those Fancy Ultrasonic Welding Controls
You know how to set a timer, but newer ultrasonic welders also offer control by energy, collapse distance, and absolute distance. Do you know when and how to exploit these options to make better welds?
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'Collar Joining' Method Makes Plastic-Metal Hybrids
A mechanical method for joining plastic and metal to create hybrid automotive front-end assemblies has been developed by BASF AG in Germany.
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Get to Know Lasers And Their Roles in Plastics
Plastics processing is one of the fastest growing application areas for laser technology.
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Big German Plant May Relieve U.S. Bottleneck in Recycling Carpet Nylon
An unexpected bottleneck in U.S. nylon recycling could be alleviated by a giant new carpet recycling plant in Germany.
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Laser Welding Comes of Age
Laser welding is gaining acceptance as a specialized method for joining plastic parts that are sensitive (e.g., contain circuit boards), involve complex geometries, or have strict cleanliness requirements (medical devices). So far, most of this activity has taken place in Europe.
Read MoreNPE 2000 News Wrap-Up: Extrusion
At this year’s NPE, new processes to put wood flour into plastic were virtually everywhere—several even start with undried flour.
Read MoreFrom NPE 2000: Recycling & Scrap Reclaim
Recycled Resin Prices Flatten OutNew systems to process mixed plastic waste and to upgrade it with fiberglass or wood flour were prominent at last June’s show in Chicago.
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Get Smart About Screens
Almost all extrusion processes pass melt through wire-mesh screens on the way to the die to provide filtering and improved mixing.
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Garbage In, Good Plastics Out
Experts consider it the most high-tech recycling plant in the world: Schwarzataler Kunststoff in Germany takes dirty bottles and film from post-consumer recycling and turns them into automotive and other compounds in a fully automated process.
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