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DOSR™80 HT Retarder contains a proprietary complex blend of low molecular weight polymers and hydroxycarboxylic acids.
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DOSR™80 HT Retarder is a synthetic organic based high temperature cement retarder for use from 250°F to 350°F bottom hole circulating temperatures (BHCT). Where longer Total Thickening Times (TTT) are desired at BHCT’s greater than 350°F the cement retarder intensifier can be used in conjunction with DOSR™80.
DOSR™80 HT Retarder can be used with all cements and most common cement blends.
DOSR™ 80 concentrations are typically 20% to 40% less than other retarders often offsetting any additional cost.
high temperature cement retarder for use from 250°F to 350°F bottom hole circulating temperatures (BHCT).
DOSR™80 HT Retarder has substantial improved benefits over traditional high temperature lignosulfonate retarders by providing predictability of thickening times and a near linear response at higher BHCT’s.
DOSR™80 HT Retarder is compatible with most common cements, cement additives and cement blends and has no known incompatibilities. As with all cement additives laboratory testing is recommended prior to use particularly when running unfamiliar blends or brands of cement.
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 sample@dosas.com.