Testing & Quality Control

There are a wide variety of instruments used to maintain part quality in processing. Materials companies and compounders typically use rheometers, tensile testers and other laboratory instruments that help predict how its material will behave in the real world once it is made into a part. Compounders and processors alike rely on color-matching and formulation devices to keep quality consistent.

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Part Two: Determining Viscosity Data Using a Slit Die Viscometer

Using a slit-die viscometer connected to a lab extruder can generate accurate data on melt viscosity at various shear rates and different temperatures—a useful QC tool in processing.
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