The particle size of the drag reducer powder, Mesh number | Concentration, % | Dissolved State |
120 - 140 | 0.1 | Solution uniform, no particles and flocs |
100 - 120 | 0.1 | The solution has a small number of undissolved powder particles |
80 - 100 | 0.1 | The solution has a small number of floccules |
60 - 80 | 0.1 | Uneven solution with a large amount of floc |
40 - 60 | 0.1 | The aqueous solution is uneven with the “fish eye” formation |