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

Material insoluble to water2.5%max
PH(2% water solution)2.8~3.8
AppearanceBrown powder

Mud performance

ItemFresh water drilling mudSalt water
drilling mud
Normal temperatureApparent  viscosity  mPa.s≤20≤25
Rate of reducing viscosity %≥85≥65
High temperatureApparent 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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