Color & Appearance Testing

Exploring the: Color & Appearance Testing Zone

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Published: 12/1/2005

Stress: Diagnose It Before It Ruins Your Parts
Residual stress is an inherent result of plastics manufacturing processes and occurs when molten polymer is cooled and shaped.

Published: 9/1/2005

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.

Published: 8/1/2005

Automated Assembly Integrates Leak Testing For Lower Cost, Higher Output
Integration of leak testing into a fully automated assembly system proved to be a boon for San Diego-based Gen-Probe, Inc., a pioneer in genetic diagnostics for disease testing.

Published: 7/1/2005

Now It's Here: An Objective Test of Masterbatch Dispersion
There's a new grading system for color concentrates and additive masterbatches.

Published: 6/1/2005

Compounders: Now You Can Monitor Color Inside the Extruder!
If you're compounding colors, there's no need to keep running pellet samples to the lab for periodic quality checks.

Published: 3/1/2005

New Sources of Help in Coloring Plastics
Two new color services for small to medium-sized firms that lack in-house color-matching and formulating expertise were announced at K 2004.

Published: 5/1/2004

Rheometers: Which Type Is Right for You?
Capillary and torque rheometers are good for simulating processing conditions, troubleshooting, and QC. But dynamic rotational instruments can tell you more about a resin's molecular structure.

Published: 5/1/2004

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.

Published: 4/1/2004

Information Is Power
It’s the power to run your plant and machines better and more profitably. Today’s process and production monitoring systems put that information in the palm of your hand.

Published: 3/24/2004

Portable CMM Helps Thermoformer Hold Tight Tolerances in Large Parts
Thermoform Plastics Inc. (TPI) in St Paul, Minn., believes it has found a better way to guarantee dimensional accuracy in large parts with complex shapes.