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DOSR™79

DOSR™79 Mid Temperature Retarder

DOSR™79 MT Retarder is a synthetic low molecular weight polymer. It contains no lignosulfonates and it is expected to show low toxicity.


  • DOSR™79 MT Retarder is typically used at 0.2% to 1.5% by weight of cement.

  • Salt at high loadings greatly intensifies the retardation obtained with DOSR™79 MT Retarder, so that 350°F BHCTs are readily handled.

  • Intensifier can be used with DOSR™79 MT Retarder in fresh-water slurries at 400°F or more: a good starting point for testing is to use intensifier at half of the DOSR™79 MT Retarder loading, though other ratios are certainly possible.

Downloads

Dosas Chemical Brochure Data Sheet
Dosas Chemical Regulatory Data Sheet
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