I.Brief Product Description:

Sulfonated lignite is a derivative of lignite humic acid, achieved through sulfonation at precise temperatures. This brown-black powdered substance serves as an effective viscosity depressant and filtration loss control agent in freshwater drilling operations.

II.Product features:

 Temperature range ≤220℃

 Excellent filtration and viscosity reduction

 Good compatibility

 Recommended dosage is 2%-3%.

III. Packaging and Storage:

 25 kgs Composite packaging bag or as per clients requirements

 Store in dry area.

 Period of validity: 12 month