Frac Sand: Demand, Regulations and Innovations | SCS …
The most used frac sand comprises round, well-sorted particles with a median grain size typically falling within the 0.6 to 0.8 millimeters (mm) range, also known as a "20/40 mesh" for the sieve size range. ... Producing frac sand involves a washing step to remove impurities. Historically, it has also required a drying process to facilitate ...