5 indicators of high quality fracturing quartz sand | LZZG
3/6/2020#0183;#32;The sphericity and roundness of natural quartz sand should not be less than In actual testing, the proppant sphericity and roundness plates are used to test the proppant sphericity and roundness, see the figure below. 2. Acid solubility. Acid solubility refers to the percentage of the mass of a certain mass of proppant dissolved by acid and the mass of the total proppant under the