Chrome free lignosulfonate is mainly used in drilling mud as fluid loss control agent. With good capability to anti-high temperature,anti-electrolytes.Eco-friendly and easily work with other chemical additives.
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 |
Function
1.Excellent thinning performance and filtration control capacity ,the mud performance of fresh water is better than salt water mud.
2.Anti-high temperature 150℃,it can cooperate with other admixture agent.
3.Good emulsifying effect in mud.
Package
25kg net weight. With PE film bag inside and paper-plastic complex bag outside.