SCR-100™ Retarder

SCR-100™ retarder is a nonlignosulfonate cement retarder that helps simplify the design of thixotropic slurries.

SCR-100 retarder is effective in freshwater slurries at bottomhole circulating temperatures (BHCTs) up to 250°F (121°C). In saturated salt slurries, this retarder can be used at BHCTs between 250°F and 350°F (121°C and 177°C, respectively). When combined with certain retarder-enhancing agents, SCR-100 retarder can be used in freshwater cement systems at BHCTs as high as 430°F (221°C).

When used with Halad®-9 additive, Halad®-23 additive, or Halad®-766 additive, SCR-100 retarder helps the cement slurry become thixotropic. When thixotropy is not required, SCR-100 retarder can be used with any fluid-loss additive to help bridge temperature gaps.

SCR-100 retarder is available in powder or liquid form. Because the liquid form of this retarder is a true aqueous solution, it does not cause the settling problems associated with non-aqueous suspensions. The response properties of SCR-100L™ liquid retarder are analogous to those of the powder version.

SCR-100 retarder and SCR-100L liquid retarder can provide the following benefits:

  • Interacts well with other cement additives.
  • When cured for 24 hours at BHCT, this retarder helps provide excellent compressive strength.
  • Effective in lightweight cement slurries formulated with Silicalite additive
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SCR-100â„¢ Retarder

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