Testing
Testing in plastics can be done on the plant floor to improve quality in molded or extruded parts, and off-line in the lab not only to check if parts are up to specification but also to evaluate the quality of incoming raw materials.
ESSENTIAL READING
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How to Improve Quality with Offline Inspection and Analysis
Automated sample testing with a light table detects the smallest contamination in flakes, micro granulates and sample test sheets.
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How to Create and Use Digital Color Standards for Plastics
Moving to a digital color workflow can help streamline production.
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How to Optimize Color Evaluation of Recycled Plastics
The right color measurement instrument and good working methods will minimize variability in color evaluation of PCR.
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Take These Steps to Optimize Your MFR Data
Make your life easier by paying close attention to the procedural steps detailed in the test standards.
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Part 5: Heat Deflection Temperature vs. Dynamic Mechanical Analysis
In the final part of this five-installment series, we bring DMA to a practical level using the results for glass-filled nylon.
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Part 4: Heat Deflection Temperature vs. Dynamic Mechanical Analysis
The presentation of DMA data can sometimes frustrate users and discourage its adoption. Those unfamiliar with DMA should insist on receiving data relevant to the manner in which the part they are developing will be used.
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Latest Testing News And Updates
Measuring Technology Specialist Pixargus Acquired by CiTex Group
A global player in optical inline quality control, Pixargus is intensifying presence in U.S. & Asia under CiTex umbrella.
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Brabender GmbH Bought By Austrian Measurement Company
Leading metrology company Anton Paar buys 100-year old firm, known in the U.S. as C.W. Brabender.
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Robust Rotational Viscometer
Versatile viscometer line said to offer robust measurement, repeatability and reporting.
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Compact Entry Rotating-Rack Series of Weather Testers Expanded
Atlas’ Xenotest now also available to meet American standards.
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Oxygen Permeation System Also Tests Relative Humidity
Ametek Mocon expands Ox-Tran 2/28 instrument portfolio
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Upgraded CT Scanning and Multi-Sensor Coordinate Measuring Machines
Werth’s TomoScope S Plus 240 systems boast more than double the measuring volume as their predecessor with almost the same size.
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Featured Posts
Tracing the History of Polymeric Materials -- Part 30: Polyurethane
In the world of polymers, polyurethane chemistry is probably the most versatile. This a resulted in a wide range of products made from these materials and given the industry the flexibility to respond to the progressive march of regulatory concerns.
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How Inline Vision Inspection Can Minimize Scrap in Molding
Once viewed by injection and blow molders as a necessary evil, machine vision technology today can continuously monitor and improve production while reducing costs.
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X-Ray Vision Inside Parts Gets More Affordable for Processors
Shimadzu’s new benchtop x-ray CT scanner provides internal and external metrology and flaw detection at a fraction of the previous cost.
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How to Improve Quality with Offline Inspection and Analysis
Automated sample testing with a light table detects the smallest contamination in flakes, micro granulates and sample test sheets.
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Fast, Simple QC Method Directly Quantifies Recycled Content in Plastics
Novel fluorescence-based spin-out technology provides a rapid and reliable method to measure and certify recycled content in a wide range of plastics.
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How to Create and Use Digital Color Standards for Plastics
Moving to a digital color workflow can help streamline production.
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FAQ: Testing
How to optimize color evaluation of recycled plastics?
Whether for resins with PCR content or for virgin resins, the keys to minimizing variability in your color evaluation are to use the right color-measurement instrument (spectrophotometer—benchtop or hand-held) and to create good working methods, that is, establishing a standard operating procedure (SOP).
If you use an extrusion plastometer (melt indexer) to test the melt-flow rate (MFR) of resins, you can make your life a whole lot easier by paying close attention to the procedural steps detailed in the test standards, to ensure accuracy, efficiency and smooth operation. This is true whether you are conducting occasional tests or running extensive automated testing in a lab setting. Many say they meet a published test standard, but in reality they are not following the test standard exactly as written.
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