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Principle

Application of a shear rate range and measurement of the correspondent pressure drop from the barrel to the die to determine melt viscosity.

Capabilities

  • Melt viscosity in a wide range of shear rate (1 to 100,000 s-1)
  • Thermal stability tests
  • Evaluation of pressure profiles
  • Evaluation of the extrudate (color, flow instabilities, die swelling, die drool, …)

Assets


AssetDetails

Göttfert Rheograph 2003

Strain controlled capillary rheometer equipped with a wide range of dies and pressure transducers.

Temperatures: +30 to +450 °C.

Application Case Study




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