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DosTab™ is a polymeric additive designed to help control free water and to suspend solids in cement slurries, particularly at higher temperatures where metasilicate products are difficult to retard. DosTab™ also gives some fluid loss control in most applications.
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DosTab™ is a moderately strong retarder at temperatures below 60°C or so; Slurries below this temperature may be simpler to design with alternative products.
DosTab™ contains high molecular weight cellulose derivatives formulated to give rapid viscosity development in cement slurries.
DosTab™ should be dry-blended into cement at loadings ranging from 0.2 to 1.0% by weight of cement.
DosTab™ is compatible with most, if not all, common cement additives and with all classes of oil well cement.
DosTab™ loadings near the top of this range can be used in slurries as light as 12.5 lb./gallon.
DOSTAB™ is incompatible with Acids, Bases, Oxidizing agents.
This representative Safety Data Sheet (SDS) is provided to assist you in evaluating this product. A copy of the specific SDS for your region and language as required by the Globally Harmonized System for the Classification and Labeling of Chemicals (and implementing rules) can be obtained on request by emailing email@example.com.