The method for determining the conditional viscosity using a viscosity flow cup is to measure the time the paint expands through the nozzle of the tank. To do this, close the nozzle and fill the cup with paintwork material, then use the glass to remove excess (into a special groove in the upper part of the cup), so that exactly 100 cm3 of material will be in the tank. After opening the nozzle, the outflow of material will begin, it is important to measure the time from the beginning to the end of the expiration of the paint material. Knowing the expiration time of the material, it is possible to determine the conditional viscosity by empirical formulas, graphs and tables.
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