Chrome Free Lignosulfonate

Chrome Free Lignosulfonate

Product Description

Chrome free lignosulfonate is a thinner for drilling mud and fluid loss control agent. With obvious capability of anti-high temperature,anti-electrolytes,is naturally non posinionous complately compatible with other admixture agent etc.

Chrome Free Lignosulfonate

Chrome Free Lignosulfonate

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


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.

Application thinner may be added into drilling fluids either in the form of solution or powder. PH:10.0~10.5
2.As thinner ,fresh water mud 1.0%(W/V), salt water mud 2.0%(W/V).

25kg net weight. With PE film bag inside and paper-plastic complex bag outside.

The chemical property of this product is stable and will not change in the normal temperature and ordinary pressure. This product is in weak acid, avoid from the breakage of package and wearing full protective clothing to protect from contact with skin when carrying .

Avoid from water and wet. Keep away from heat. Put in the place of dry and ventilate

It will not self-ignition,you can put out with water or foam fire-extinguisher when it was ignited.

First aid
If contact with eye and skin, wash eyes with lots of water and wash skin thoroughly with water.

Chrome Free Lignosulfonate TDS and MSDS


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