Article Archive

September 2005


Past Issues

Features

Water Injection Molding: It's All Coming Together
Commercial applications in hollow-part molding with water—or water and gas—are starting to accelerate. They are driven by recent enhancements of process technology, equipment, and materials.

Wood-Plastic Composites: Weathering Quality Issues
Exterior wood-fiber composites like decks and rails haven't lived up to some of the early claims of long, maintenance-free life.

Manufacturing Will Pick Up in the Second Half
With a few exceptions, activity levels for most U.S. manufacturing sectors hit a "soft patch" in the first half of this year.

Resin Prices: How Big a Bite?
Everybody complains about high resin prices.

Strategies

A Plant Designed by Efficiency Experts
Hi-Tech Profiles Inc. in Pawcatuck, Conn., extrudes stock and custom medical and industrial profiles out of engineering resins that cost from $3 up to $35/lb.

Close-Up on Technology

Dye Sublimation Printing: Durable Color Decoration for 3D Parts
Dye sublimation, a dye-transfer process that got its start in the 1960s for use in textiles, has advanced in recent years to provide wear-resistant, full-color surface decoration of flat objects like mouse pads and tiles.

Novel Rheometer Tells More About Thermoplastic Processing Behavior
A unique type of oscillating-die rheometer, first unveiled in 1999 for analyzing thermosets and composites, has now been upgraded for testing polyolefins and other thermoplastics.

Troubleshooter

Graphical Analysis Helps Find and Fix Ultrasonic Welding Problems
Ultrasonic plastic welding uses acoustics (mechanical sound waves) to create frictional heat, producing a molecular bond between plastic materials.

CW Brabender
HammerTek
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