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Quick Details

  • Classification: Chemical Auxiliary Agent
  • CAS No.: 68525-81-5
  • Other Names: Resinated Lignite
  • MF: mixture
  • EINECS No.: 271-197-0
  • Purity: 95%
  • Place of Origin: Henan, China (Mainland)
  • Type: Oil drilling fluids additives
  • Usage: Petroleum Additives
  • Brand Name: Zuan Feng
  • Model Number: SPNH
  • Appearance:: black free flowing powder
  • Moisture content:: 18% max
  • PH:: 8.0-11.0
  • Dosage:: 1-3%
  • Function:: Heat resistant drilling fluid loss control
  • Lignite Resin Best-selling nations:: The Middle East, North America, Europe, Australia
  • Annual sales:: 16000 TONS
  • Certificates: ISO 9001&ISO14001
  • Company type: Manufacturer
  • Application: Oil well drilling fluids additives

Packaging & Delivery

Packaging Details Resinated Lignite Package: Ton bags or 25kg or 50lb per sack, sealed in 4-in-1 compound paper bag with plastic lining,or packed according to the clients' requirements.
Delivery Time 7-15 working days upon receiving order and down payment

Salt Resistant Fluid Loss Control Agent spnh


Product Description
 Quality to create brand, Integrity cast the future! -Principle of NO.7 Chemicals



     Our company's technology strength of skilled, technology advanced, the ability to guarantee first-class,  We wish to establish friendly business relations wish you to enjoy a share of mutually profitable business.


Product property

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Salt Resistant Fluid Loss Control Agent spnh Resinated Lignite is a kind of drilling fluid filtration reducer composed by sulfonated phenol-formaldehyde resin and sulfonated lignite, and can be used together with sulfonated asphalt, sulfonated tannin etc.Being heat and salt resistant at the same time, it is one of the ideal products for high temperature and deep well mud systems.


Product parameters

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Free movement powder

Moisture content,%




Sodium chloride polluted mud

AV, 180℃/16h After aging          mpa·s


API,180℃/16h After aging        ml/30min


150℃/3.5Mpa HTHP Filtration loss   ml/30min


Fresh water mud

AV, 180℃/16h After aging          mpa·s


API, 180℃/16h After aging         ml/30min


150℃/3.5Mpa HTHP Filtration loss   ml/30min



Product use

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  • Resinated Lignite is a kind of copolymer contains hydroxyl, carbonyl, methyl, sulfonic acid base, nitriles and some other functional groups, and is made by grafting copolymerization and sulfonation. The main function is to reduce filtration loss, but it can also reduce viscosity at the same time.
  • Resinated Lignite is heat-resistant because it draws sulfonic group into benzene ring unit, and the benzene ring is linked with carbon atoms. Owing to the introducing of sodium sulfonate SO3NA inbenzene hydroxyl, it strengthens the hydration, which thus results in fine solubility. 
  • As a deep well mud treatment, Resinated Lignite owns the characteristics of reducing HTHP fluid loss, salt-resistant, calcium-resistant etc, and plays a great role in consolidating well wall, preventing collapsing and stucking.
  • Recommended dosage: 1-3%


Related Product

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      Sulfonated Asphalt           Resinated Lignite       Cementing Fluid loss Control    Cementing Retarder



Company Information
 Quality to create brand, Integrity cast the future! -Principle of NO.7 Chemicals




     Henan Xinxiang No.7 Chemical Co., Ltd. is specialized in manufacturing oil field drilling fluid additives, and we are the first manufacturer of sulfonated asphalt here in China.


NO7-One you need,All we support.

    The factory has a long history, have long been engaged in foreign trade processing, quality service, ensure the quality, price concessions. Factory space is now over 2 million square meters and has more than 300 employees.



NO7-One you need,All we support.

    Proficient in foreign trade in a number of companies, professionals familiar with international practices, our factory has its own storage. We manage the warehouse personal, ensure the high inventory ratio about raw material and final product.



NO7-One you need,All we support.

    With more than 30 years’ development, now we research and develop a series of drilling fluids additives. These products can apply in water-based drilling and oil-based drilling mud system. we always do our best to meet different clients’ requirements and strive to keep pace with the international standard.


Quality control system

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    We have got the certificates of ISO9001: 2008 Quality Management System and ISO14001: 2004 Environmental Management System and our inner management was controlled based on the standards of above systems. We have well formed quality and environmental systems, which from the purchasing of raw materials to product delivery, every link was controlled by the relative control department. With these systems, we can ensure 100% products pass testing before shipment.



Customer relations
 Quality to create brand, Integrity cast the future! -Principle of NO.7 Chemicals


  We warmly welcome the regular and new customer visiting our company or giving you kind advice to us. We wish to work hard together with you to build up a bright future!


Customer visiting and exhibition

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    I found that as long as we have the cooperation of the customer for the first time, will no doubt become the long-term partner. Relatively fixed overseas for more than 100 customers, in addition, in each of the seven or eight overseas trade show exhibitors.


Packing & Shipping

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    Packaging and transport in sacked with three package,25Kg/sack. Kept away from fire,damage and leakage in store and transportation. Storage life is two years.




 Quality to create brand, Integrity cast the future! -Principle of NO.7 Chemicals


    We can order the production plant or OEM, according to customer demand for products LOGO and small packaging, We sincerely welcome customers at home and abroad to visit our factory and become our long-term partner. 



NO7-One you need,All we support.

Q1.How long is the lead time once starts a new order?
The leading time is 14 days.

Q2.Do you have a specific product quality control system?  
Yes! The strictly quality control system carry out in every link from raw material to delivery According to ISO9001:2008 Quality Management System Certificate.

Q3. Do you accept customized packing marks? What is the bag material?
Customized packing can be accepted

Q4. How fast can you dispatch the appointed sample?
Sample will post out Within 2 days

Q5.What is the warranty time you can promise after-sale?
2 years for warranty time can be guaranteed.  


Contact us

NO7-One you need,All we support.

    If you are interesting in our products or you still have any questions, pls contact me by the following ways, thank you first and I wish all the best in your career.


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China (Mainland) | Manufacturer
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