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On demand rheology testing

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Ink rheology

Inks vary by by their constituent components as well as from batch to batch. From ink 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 inks a desirable subject.

DrRheology can support ink manufacturers and ink users by testing the ink, 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 viscosity
Ideal for viscoelasticity measurements
Request for Shear Viscosity testing

Yield 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 processing and application data
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 low rate high extension
Request for Extensional Viscosity 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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