Testing
Melt Flow Rate Testing—Part 4
Few molders perform the test in-house. Of those that do, most don't understand why they are doing it or what they are measuring.
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Melt Flow Rate Testing—Part 3
There is a well-established relationship between something called the weight-average molecular weight of a polymer and a parameter known as the zero-shear viscosity.
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A Processor’s Advice on How to Get Moisture Testing Right
Follow these four steps to ensure your results are on target.
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‘Breakthrough’ in Nylon Characterization
WEB EXCLUSIVE: Malvern Instruments, Westborough, Mass., has a novel gel permeation chromatography (GPC) method for characterizing nylon that is said to significantly reduce the cost of analysis while simultaneously improving safety, compared with existing methods.
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Auxiliaries at NPE: News in Materials Handling, Cooling, Granulating, Welding, Testing, Decorating
Auxiliary equipment takes in a broad range of functions, from materials preparation to post-mold finishing.
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Auxiliaries at NPE: New Solutions from Material Preparation To Post-Mold Operations
There will be an extraordinary range of new auxiliary equipment on display at the show.
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Lab Investment Pays Off For Major Tube & Profile House
Teel started a testing laboratory in 2010 to support quality assurance and new product development and to troubleshoot manufacturing issues as they arise.
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Free Smartphone App Calculates IV for PET Blends
WEB EXCLUSIVE: PET Packaging specialist Plastic Technologies, Inc. (PTI) has launched a free app that calculates the intrinsic viscosity (IV) of blends of virgin and recycled PET.
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How to Get Better MFI Results
The MFI test is used widely among the various segments of the plastics industry. The difficulty is that any two labs can easily come up with different results, making it difficult to determine whether a material meets a desired MFI spec. Here are some reasons why such discrepancies occur and what can be done about them.
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Automation & Waste Reduction: A Medical Molder's Efficiency
Vision Technical Molding in Manchester, Conn., doesn’t believe in standing still.
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