Chrome Lignosulfonate Description

Chrome lignosulfonate is mostly used in oil drilling as multi-purpose deflocculant, gel-strength reducer, viscosity controller and fluid loss reducer.

Main Specification

Item Requirement
Moisture 8.5%max
Insoluble in water 2.5%max
CaSO4 3.0%
Total Cr 3.6~4.2
Cr complex 75.0%max

Mud performance

Item Fresh water drilling mud Salt water
drilling mud
Normal temperature Apparent viscosity
mPa.s
≤30 ≤30
Rate of reducing viscosity   % ≥85 ≥65
High temperature Apparent viscosity
mPa.s
≤40 ≤45
Rate of reducing viscosity   % ≥60 ≥60

Chrome Lignosulfonate TDS and MSDS