Testing
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.
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Laser Scanning Pinpoints Shrinkage Problems in Record Time
A faster way to measure part surface dimensions helped injection molder Hy-Ten Plastics to quickly identify and correct geometries in its tooling that spawned problem parts.
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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.
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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.
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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.
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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.
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How to Buy Universal Testing Machines
More processors today are buyingso-called ‘universal’ testers to measure tensile, flexural, compressive, and shear properties for materials evaluation, application development, and quality control. Advanced electronics have improved these instruments’ performance and ease of use—and even led to lower prices.
Read MoreFrom NPE 2000: The Latest Instruments For Testing & QC
The huge triennial plastics exhibition in June showcased new developments in product inspection and lab instruments for testing mechanical properties, melt rheology, weatherability, color, and appearance.If you are looking to outfit a new lab or upgrade an existing one, the NPE 2000 show in Chicago this past June spotlighted many new instruments for use in product development, material evaluation, and quality control.
Read MoreNPE Newsfinder: Blow Molding
Examples of the growing trend toward all-electric blow molding machines for packaging will either be physically present or shown in videos and brochures at NPE.
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Weather Testing: Why You Need It More Than Ever
If you think your product doesn't warrant weather testing, you could be in for a rude surprise. Any time you change a material formulation or use it in a new application you run the risk of uv-induced failure.
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