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Polymer Rheology & Flow Simulation
 
 
 
Rapra offer a wide range of rheological services to cater for all needs ranging from long / short term routine quality control to process design and flow analysis.

Specialities include:

Capillary Rheometry

  • High Shear Viscometry
  • Extensional Viscosity
  • Pressure Coefficient of Viscosity
  • NFT (No Flow Temperature)
  • Melt Density

Controlled Stress / Rate Rotational Rheometry

  • Low shear Viscometry
  • Dynamic Oscillatory Rheometry
  • Thermal Stability / degradation studies
  • Change in viscosity as a function of temperature
  • Yield Stress Analysis
  • Creep / Creep Recovery

High Strain Rotational Rheometry (Rubber)

  • Pre- & post-cure Dynamic Oscillatory Rheometry
  • Cure Kinetics
  • Variable Temperature Analysis

The flow simulation service provides accurate materials data for proprietary software packages such as Sigmasoft and Moldflow, with the facility to tailor testing to specific client needs.

Specialities include:

  • High & low Shear Viscometry
  • Extensional Viscosity
  • Pressure Coefficient of Viscosity
  • Dynamic Oscillatory Rheometry
  • PvT (Specific volume as a function of Pressure & Temperature)
  • Thermal Diffusivity (Calculation of thermal conductivity)
  • Specific Heat Capacity
  • Ejection Temperature
  • NFT (No Flow Temperature)
  • Density
  • Melt Density
  • Cure kinetics (Rubber)

What Next?

Contact Rapra with details of your proposed application or problem by completing our online enquiry form.

 

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