June 2004

Close-Up on Technology

All-Electric and Hybrid Presses Hum at Osaka Plastics Show
The latest developments in all-electric and hybrid injection molding machines from several Japanese OEMs made their debut at Platex Osaka, a triennial show held in April in Osaka, Japan.

Belt Polishing of Clear PP Film Proves Itself in Production
An unusual cast-film process that drops a melt curtain of polypropylene between a flexible steel polishing belt and a chill roll has now proven successful in high-volume commercial production.

Lasers Now Clean Molds and Parts
They drill, cut, weld, polish, engrave, and print.

Lava-Based Fibers Reinforce Composites
Reinforcing fibers spun from basalt lava rock were one of the more unusual developments exhibited at the JEC Composites Show in Paris in April.

Plastic-Metal Hybrids Are Now Blow Molded
Bayer Polymers has developed a blow molding technology that is putting new bounce into shock-absorbent seating for motorcycles, snowmobiles, tractors and off-road vehicles.

Processor's Edge

How Urgent Plastic Services Lives Up To Its Name
If you need prototype or short-run parts fast, Urgent Plastic Services can make the mold and the parts in as little as two to four weeks instead of the 10- to 12-week average for other firms.


A Better Way to Send a Message
Remember Reader Service Cards?

Structural Plastics: Exploring Ways to Make Molds and Parts Faster
New approaches to rapid tooling, rapid prototyping, and gas assist were highlights of the SPI Structural Plastics Conference. It also showed off several eye-opening molded parts.

Thermoplastic Polyesters: It's a Good Time to Know Them Better
There’s more to TP polyesters than you think. You may know PET, PBT, and PETG—but what about PCT, PCTG, PCTA, and PTT? If you’re not sure what they are, how their properties compare, and who sells them, we have the answers—and lots of new developments to report.

What We Didn't Know About Dielectric Properties of Plastics
With speed at a premium, computers and other electronic devices are moving to higher frequencies.

CW Brabender
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