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Chrome Free Lignosulfonate


DX Oilfield CFL-II® is a chrome free lignosulfonate used as a water-based mud conditioner. This product has been used successfully in areas where chrome-free materials are desired. CFL-II® is derived from a chemically modified lignosulfonate.

Typical Properties


Brown, free flowing powder






5.0 max measured as a 10% solution



<15 ppm


Bulk Density

30 lbs/cu. ft.

Application/Dosage Mud System Temperature
  Fresh Water 150 1-4 9.0-10.5
  Sea Water 150 2-6 8.5-10.5
  Gypsum (3,000-5,000 ppm Ca+2) 150 2-6 9.0-10.5
  Gypsum-salt (1,300 ppm Ca+2 and 7,200 ppm co 150 4-9 9.0-10.5
  Weighted (12 ppg) Gypsum-salt (1,500 ppm Ca+2 and 9,700 ppm C[) 250 6-12 9.0-11.0
  Weighted (16 ppg) Fresh Water (400 ppm Ca+2 and 2,610 ppm Cl) 350 6-12 9.0-10.5
  Use of CFL-II® at the suggested treatment levels should give a controlled mud with very nearly the same performance as a typical chromium or ferrochrome lignosulfonate thinner.


DX Oilfield CFL-II® is available in 50 pound, multi-walled, moisture proof paper bags.


The information and data herein are believed to be accurate and have been compiled from sources believed to be reliable. It is offered for your consideration, investigation and verification. Buyer assumes all risk of use. DX Oilfield Products, LLC will not be liable for claims relating to any party's use of our reliance on information and data contained herein regardless of whether it is claimed that the information or data are inaccurate, incomplete or otherwise misleading.

     DX Oilfield Products, LLC, 300 Jackson Hill Street, Houston, Texas 77007

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