Set-Control Additives-Capcoset R

Retarding Admixture (CapcoSet R)

CapcoSet R is a Retarding Admixture for concrete casting in hot weather. CapcoSet R increases and adjusts the first and second setting time of the concrete by reducing the cement hydration process rate. Also, this admixture increases the time of working with concrete.

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This product is produced based on the general Iran National Standard No. 2930-1 and the performance requirements of Table 8 of the Iran National Standard No. 2930-2. Also, this admixture meets the requirements of grade D of the ASTM C494 Standard and the requirements of Table 8 of the EN 934-2 standard.

The advantages of using the CapcoSet R in concrete:
The usage of the CapcoSet R in shotcrete:
Range and Method of Using the CapcoSet R in Concrete:

Permissible Range for Using the CapcoSet R in Concrete:

The allowable range for using The CapcoSet R is from 0.4% to 1.2% of the cement material weight (400 to 1200 grams per 100 kg of cement material weight including cement, silica fume, slag, fly ash, and other similar pozzolans). The temperature at the time of concrete casting and after that, the concrete mix design, the thickness, and the volume of the concrete section are the main indices to determine this admixture. Specifying the optimum amount of this admixture is accomplished by considering the aforementioned indices and the required test in the laboratory. The excessive amount of this admixture leads to an excessive delay in the setting time of the concrete and not setting it in some cases.

How to Mix the CapcoSet R with concrete:

To use the admixture, it is necessary to dilute the admixture with water twice the volume of the admixture It is also necessary to take the following notes into consideration:

  • Mix the concrete for 2 to 5 minutes after adding the admixture and assure the uniform distribution of the admixture in the mortar or grout.
  • Avoid the direct contact of the admixture with the dry cement and aggregates
  • It is recommended to add this product to the concrete in the batching plant (When making the concrete).
Physical and Chemical Specifications of the CapcoSet R:
Safety Precautions When Using the CapcoSet R:
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