Poly Anionic Cellulose (PAC) is a water-soluble cellulose ether derivative made from natural cellulose through chemical modification. It is an important water-soluble cellulose ether. It is a white or slightly yellow powder, which is odorless, non-toxic, and tasteless. Polyanionic cellulose has good salt resistance, thermal stability, good film formation, and it is a powerful emulsifier for oils and fats. The mud fluid prepared by this product has good water loss reduction, inhibition, and high-temperature resistance. Widely used in oil drilling, especially brine wells, and offshore oil drilling.
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