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On demand rheology testing

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Water based fluids

Manufactured water based fluids have become very prominent in the last few years. These "friendly" fluids vary by by their constituent components as well as from batch to batch. From manufacture to finished article, the fluid can go through a large range of of deformation rates, as well as experiencing different kinds of flow. This makes understanding and controlling the rheology of of these fluids a desirable subject.

DrRheology can support manufacturers and end users by testing the fluid, as well as calculating flow performance. The key tests offered below will allow product and process development, as well as supplying spot checks for QC.

Measurements you can order

Description/Benefit

Viscosity

Measured on viscometer
Ideal for looking at simple QC and process control
Basic measurement suited to low viscosity fluids
Automatic process viscometer is useful for process control
Request for Viscosity testing

Shear viscosity

Measured on lab rotational rheometer.
Ideal for looking at low rate measurements
Ideal for viscoelasticity measurements
Request for Shear Viscosity testing


Yield stress

Sometimes referred to as "no flow" stress.
Measured on lab rotational rheometer
Ideal for looking at pigment settle during drying and storage
Request for Yield Stress testing

Shear viscosity

Measured on lab capillary rheometer
Ideal for looking at processing
Pumping and high speed application
Request for Shear Viscosity testing

Extensional viscosity

Measured using contraction flow
Ideal for looking at spraying and high speed coating
Request for Extensional Viscosity testing


Extensional viscosity

Measured using pulling flow
Ideal for looking at "sticky" fluids
Request for testing

Homogeneity at high rates

Measured on lab capillary rheometer
Ideal for identifying mixing problems
Request for Homogeneity testing


Other useful resources

 

Flow analysis

Understand your process
Understand your application
Request for Flow Analysis

In Process Measurements

Understand your process
Better QC
Request for In Process Measurements

Viscometer

For your lab or process line
Request for Viscometer
   
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