27 3032 01 Supracare 212 Polymer

SupraCare™ 212 Polymer is a water-soluble polymeric, quaternary ammonium salt of hydroxyethyl cellulose reacted with trimethyl ammonium substituted epoxide. SupraCare™ 212 Polymer is based on a cellulosic backbone derived from natural, renewable resources, such as cotton or wood. ®™Trademark of The Dow Chemical Company (“Dow”) or an affiliated company of Dow SupraCare™ 212 Polymer Page 2 of 3 © 2021 The Dow Chemical Company. All rights reserved. Form No. 27-3032-01-0321 S2D Preparing Solutions There are two basic methods for preparing the SupraCare™ 212 Polymer for incorporation into formulations. Prior Polymer Hydration  Hydration of the polymer is accomplished by slowly adding the dry powder into agitated room temperature water and allowing it to mix until the solution is uniform and clear.  Hydration can be accelerated by heating the solution to 65°C.  Once the polymer is fully hydrated, simply add the solution directly to the surfactant system blend with mixing.  Hydration may be accomplished separately or as a first step in the manufacturing procedure. Addition with Co-solvents  A slurry of the dry powder may be made in a non-aqueous, water soluble, co-solvent (such as propylene glycol, glycerin, low molecular weight CARBOWAX™ Polyethylene Glycols, or Methyl Gluceth-10 or -20).  The slurry can then be mixed into the water or directly into the surfactant blend.  Hydration can be accelerated by heating the solution to 65°C.  The co-solvent "wets" the polymer and allows it to be more easily dispersed, thus increasing the rate of hydration whether it is in the water or directly put into the surfactant blend. Handling Precautions PRODUCT SAFETY INFORMATION REQUIRED FOR SAFE USE IS NOT INCLUDED IN THIS DOCUMENT. BEFORE HANDLING, READ PRODUCT AND SAFETY DATA SHEETS AND CONTAINER LABELS FOR SAFE USE, PHYSICAL AND HEALTH HAZARD INFORMATION. THE SAFETY DATA SHEET IS AVAILABLE ON THE DOW WEBSITE AT DOW.COM, OR FROM YOUR DOW SALES APPLICATION ENGINEER, OR DISTRIBUTOR, OR BY CALLING DOW CUSTOMER SERVICE. Usable Life and Storage Store product in a dry place and in a tightly closed original container at conditions and temperatures recommended on the product label and safety data sheet. Protect from atmospheric moisture. Avoid prolonged exposure to heat and air. Limitations This product is neither tested nor represented as suitable for medical or pharmaceutical

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