Ferro Chrome Lignosulphonate
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Ferro Chrome Lignosulphonate,
lignosulfonate
FCLS
Ferro Chrome Lignosulphonate
Items | Standards | Results |
Moisture (%) | 8.50 max. | 8.35 |
Water insoluble matter (%) | 2.50 max. | 0.93 |
Calcium sulfate (%) | 3.0 max. | 2.17 |
Total Fe (%) | 2.50-3.80 | 3.29 |
Total Cr(%) | 3.00-3.80 | 3.12 |
Cr complex(%) | 75 .00 min. | 87.50 |
PH | 4-5 | 4.30 |
Fineness(0.66mm mesh screenings) (%) | 3.0 max. | conformed |
Appearance | Blackish brown powder |
|
Oil Drilling Fluids Features of FCLS
Items | Fresh Water Drilling Fluids | Salt Water Drilling Dluids | |
Test under room temperature | Apparent viscosity, mPa.s | ≤20 | ≤25 |
Viscosity reduction ,% | ≥85 | ≥70 | |
Heated-stability Test | Apparent viscosity, mPa.s | ≤30 | ≤45 |
Viscosity reduction , % | ≥65 | ≥55 | |
