Testing & Quality Control

Exploring the: Testing & Quality Control Zone

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Published: 4/25/2017

The Need for Generalists: Part 4
Solving problems generally requires distinguishing good samples from bad ones. But that can become clumsy when one person runs the test while another analyzes the data.

Published: 1/26/2017

Analyze Moisture Before Processing
If you want a stable process and parts that function properly, you must monitor the water content of the resin before molding.

Published: 8/24/2016

Are You Ready for K 2016?
We’ve got you covered with five feature stories and an entire new-products section devoted to the October show in Dusseldorf.

Published: 4/25/2016

MATERIALS: The Problems with Single-Point Data
It’s time for material suppliers to take a fresh approach to providing data. Thankfully, things are starting to move in that direction. Part 12 of 12.

Published: 4/25/2016

Color Done Right
Look for a supplement to the September Issue of Plastics Technology with tips and techniques that will help you make your coloring operations as efficient as possible

Published: 11/23/2015

MATERIALS: The Problems with Single-Point Data, Part 7
The industry can choose between continuing to perform DTUL tests that provide single points that are part of a curve never seen, or perform the test that provides the entire curve.

Published: 10/26/2015

MATERIALS: The Problems with Single-Point Data--Part 6
Data sheets can be limited in the information they provide on how the material performs at elevated temperatures.

Published: 9/25/2015

MATERIALS: Impact Testing: The Problems With Single-Point Data
Knowledge of test conditions and graphical data showing the course of the impact event can help provide engineers and designers with the information they need to make informed choices about material toughness.

Published: 8/17/2015

MATERIALS: The Problems with Single-Point Data
In plastics, notched Izod and Charpy test results have been complicated by the way they are reported.

Published: 5/25/2015

MATERIALS: The Problems with Single-Point Data
Properties are generally provided at a single temperature on a data sheet. But do those properties stay the same with changing temperatures? Of course not.