4/2/2020 1:57:19 AM
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ANTISOL™ FL polyanionic cellulose (PAC) polymers are available in a variety of high and low viscosities, and are used to modify flow and filtration properties in water-based drilling fluids. These high-purity (98%) carboxymethylcellulose polymers perform essential functions, such as the following: dispersion of clay particles that occurs as a result of the polymer adsorption on the particles' surface; protection of the clay particles against the detrimental effects of electrolytes; retaining "free" water in the drilling fluid that could penetrate into the formation; preventing the swelling of shale formations and the dispersion of the shale in the drilling fluid. Dow is the leading producer of high-purity carboxymethylcellulose ethers, which include a broad range of water-soluble, white to off-white cellulose-based anionic polymers.

ChemPoint EMEA is an approved supplier of DuPont ANTISOL™ FL polyanionic cellulose (PAC) polymers in water well drilling applications, providing dedicated marketing, sales, order fulfillment, and technical support for customers located Western Europe.

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