Inversion testing is the measurement of the PAM emulsion formed and how quickly the emulsion inverts and thickens an aqueous solution.
Inversion is the main application our customers require and the speed at which the inversion takes place is a measure of the final product performance.
A beaker of water is stirred continuously with an overhead stirrer, at a set speed and capable of measuring torque. An amount of polymer emulsion is added and the change in torque or viscosity is measured over time. A fast increase in torque and reaching the maximum level are beneficial in this test.
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