Cal-Seal™ 60 Accelerator

Shorten setting times and improve slurry properties

Cal-Seal 60 accelerator provides operators with important advantages during remedial work. Cal-Seal accelerator uses a hemihydrate form of calcium sulfate to help accelerate Portland cement, control lost circulation, act as an expanding aid and impart thixotropic properties to cement slurries. Cal-Seal accelerator increases viscosity and ‘early strength’ of slurries while using more water than other accelerators. Cal-Seal accelerator also decreases slurry density, thickening time and overall ‘final strength’.    

When blended with Portland cement, Cal-Seal 60 accelerator is perfect for shallow wells and for surface applications that require short setting times and rapid strength development. Cal-Seal 60 accelerator is effective at temperatures between 40° and 170°F (4° and 66°C), and mixing small amounts of sodium chloride (NaCl) to Cal-Seal 60 accelerator can help enhance cement acceleration in low temperatures. 

Accelerator concentrations can vary between 5% to 90% by weight of cement (bwoc) to meet specific requirements and conditions.

Cal-Seal 60 accelerator can provide the following benefits:

  • Within 60 minutes, slurries containing Cal-Seal 60 accelerator can withstand pressures exceeding 2,600 psi.
  • Cal-Seal 60 accelerator has a shelf-life of up to 24 months.
  • Cal-Seal 60 accelerator is environmentally safe and is not classified as a hazardous waste by the Environmental Protection Agency.
Cal-Seal 60 accelerator - Product Specifications
Part No.
(100-lb bag)
890.50131
(100005051 SAP)
Bulk Density
75 lb/ft3
Part No. (bulk) 516.00335 Form Solid, white powder 
Specific Gravity 2.700



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Cal-Seal™ 60 Accelerator

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Summary Summary Cal-Seal™ 60 Cement Accelerator - A4
Cal-Seal™ 60 accelerator is blended with Portland cements. It helps shorten the slurry’s setting time and can improve its expansive properties.
Summary Summary Cal-Seal™ 60 Cement Accelerator
Cal-Seal™ 60 accelerator is blended with Portland cements. It helps shorten the slurry’s setting time and can improve its expansive properties.
Summary Summary Accelerators
Accelerators are used to shorten the set time of cement slurries or accelerate the cement setting. The most common cement accelerator is calcium chloride.
Summary Summary Cal-Seal™ 60 Accelerator
Can be blended with Portland cements to shorten setting time and improve the expansion characteristics of Portland cements.
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