Chrome Free Lignosulfonate

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

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

Chrome Free Lignosulfonate


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).


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

  1. Chrome Free Lignosulfonate Technical Data Sheet
  2. Chrome Free lignosulfonate MSDS