Chrome Free Lignosulfonate Description
Chrome Free Lignosulfonate naturally work as thinners and dispersants for the Oilfield Industry .Also is a versatile Deflocculants, temperature Stabilizer, Filtration control additive and gel strength reducer for water based mud systems, it effectively controls theological properties at elevated temperatures.
Main Specification
| Item | Requirement |
| Material insoluble to water | 2.5%max |
| Moisture | 8.5%max |
| PH(2% water solution) | 2.8~3.8 |
| Appearance | Brown powder |
Mud performance
| Item | Fresh water drilling mud | Salt water drilling mud | |
| Normal temperature | Apparent viscosity mPa.s | ≤20 | ≤25 |
| Rate of reducing viscosity % | ≥85 | ≥65 | |
| High temperature | Apparent viscosity mPa.s | ≤35 | ≤45 |
| Rate of reducing viscosity % | ≥60 | ≥45 |
Chrome Free Lignosulfonate
Application
1.Chrome Free Lignosulfonate thinner may be added into drilling fluids either in the form of solution or powder.
2.As thinner ,fresh water mud 1.0%(W/V), salt water mud 2.0%(W/V).
Package
25kg net weight. With PE film bag inside and paper-plastic complex bag outside.