Viscomixer Measures Change in Viscosity When Adding Solvent or Thinner

The Paintlab+ Viscomixer, available from Gardco, is used to measure the change in viscosity during the addition of a solvent or thinner.

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The Paintlab+ Viscomixer, available from Gardco, is used to measure the change in viscosity during the addition of a solvent or thinner. Three Viscomixer models are available, each offering a different measuring range according to the viscosity of the test sample.

Viscosity measurement of coatings is essential at each stage of the manufacturing process to ensure consistent quality standards, the company says. Many parameters can affect the rheological behavior of a finished coating resulting in undesirable effects such as inconsistent performance, poor levelling or sagging.

A sample from a production batch can be measured in a 250-ml tin with the required thinning ratio determined for scaling into the production process. The instrument operates at a fixed speed of 562 rpm to directly measure the viscosity in Poise (P).

Features include high-stability motor speed control for accuracy and repeatability during each test and an integrated temperature probe to accurately measure and record sample temperatures. A fully automated operation selection is available in addition to flexible range configurations that can be configured to use multiple ranges by purchasing additional rotor kits. Annual calibration can be performed remotely by the user with the Rhopoint certified recalibration kit

For more information, visit gardco.com.