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Xingzhenghe is one of the largest manufactures of superplasticizers. Our Annual output is over 150,000 Mts.

Quality trust

Products have been sold to more than 60 countries, such as South Korea, Japan, Vietnam, Indonesia, Australia, Canada, Russia, Saudi Arabia etc.

Fast delivery

warehouses are set up in major ports for more timely delivery , in Tianjin,Qingdao,Shanghai, Guangzhou,and other places with branches (offices) and foreign trade transit warehouse.

Chrome Free Lignosulfonate

Chrome Free Lignosulfonate

Chrome free lignosulfonate of pure wood pulp is a kind of lignosulfonate diluent for drilling mud. This product has high temperature resistance, non-toxic, strong compatibility and other characteristics. As a thinner for all kinds of mud systems. 

Technical specifications of Chrome Free Lignosulfonate

Moisture ≤10%
Water insoluble substance ≤2.5%
PH 2.8~4.5
Total iron 6~8

The thinner is suitable for use as viscosity reducer in deep Wells. Suitable for vertical Wells and technically complex inclined Wells. It can reduce viscosity and fluid loss simultaneously in water – based drilling fluid. This product is also suitable for offshore drilling and high salt content and saturated salt conditions of drilling.


Excellent diluent performance, reduce mud filtration effect is remarkable, used in fresh water mud dilution performance is better than salt water mud. Can be used with other types of mud treatment agent. This product is non-flammable, explosive, non-toxic, non-corrosive, safe to use, will not cause pollution to the environment. It has good emulsifying ability.



Directly with powder or with water solution to add mud, because the PH of mud after adding this diluent is reduced, it is necessary to add sodium hydroxide to adjust the mud PH value between 10 and 11, the best use effect. Recommended dosage as mud thinner: 1.0-1.5% (W/V) of fresh water and 1.5-2.0% (W/V) of salt water.