Materials

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Published: 1/1/2019

Part 1: Heat Deflection Temperature vs. Dynamic Mechanical Analysis
Does the industry need a better way of reporting the temperature-dependent behavior of plastics? With DMA, it already has one. But it’s been glacially slow to catch on.

Published: 11/30/2018

Part 11: A Processor's Most Important Job
It’s the processors job to ensure molded parts contain enough stabilizer to perform to the expectations of the end use.

Published: 10/30/2018

A Processor’s Most Important Job, Part 10
Glass and carbon fibers are often used to increase material strength and modulus. To maintain these properties, the aspect ratio of these fibers must be maintained.  

Published: 10/1/2018

Materials: A Processor's Most Important Job, Part 9
How to establish molding conditions that minimize internal stress in a part.

Published: 8/28/2018

Materials: A Processor’s Most Important Job, Part 8
How processing adjustments can control molded-in stress.

Published: 8/1/2018

Materials: A Processor's Most Important Job, Part 7
There are several process-related issues that influence crystallinity besides cooling rate. Let’s examine a few.

Published: 7/31/2018

Get Free Guidance on Molding Resins
Mobile Specs app and website provide processing parameters on thousands of resins … at no cost.

Published: 6/1/2018

Materials: A Processor's Most Important Job, Part 6
The importance of mold temperature to the development of the desired polymer crystalline structure becomes absolutely crucial in the case of high-performance materials.

Published: 6/1/2018

The Pellets Have Returned, Too
Materials suppliers came back to NPE2018 in a big way last month.

Published: 4/27/2018

Materials: A Processor's Most Important Job, Part 5
Using a mold temperature above a polymer’s Tg ensures a degree of crystallinity high enough to provide for dimensional stability, even if the part must be used at elevated temperatures. But POM is an exception. Why?