Cookie Consent by
Donplast SR100
Shrinkage reducing admixture (Formerly known as Flocrete SR100)
  • Can be used in air entrained concrete.
  • Minimize the risk of cracking caused by drying shrinkage.
  • Increases the service life of the structure.
  • Does not impact the w/c ratio.

Donplast SR100 is a shrinkage reducing admixture specially formulated from selected polymers to provide a significant reduction in drying shrinkage and reduce the number of harmful cracks.

  • Floors and foundations.
  • Silos.
  • Concrete pipes.
  • Walls.
  • Watertight construction (i.e. water tanks, swimming pools, etc.).
  • Underground construction.

Donplast SR100 is available in 5 gal (19 litre) containers as well as 275 gal (1,041 litre) and 330 gal (1,249 litre) IBC totes. Bulk supply in tanker trucks is also available upon request.


Depending on the application, the dosage of Donplast SR100 varies from 0.5 to 4.0% of the cement or cementitious materials in the mix including GGBFS, PFA or micro-silica.

For the production of a normal flooring concrete, the recommended dosage is approximately 1.0%. Optimum affect is obtained when Flocrete SR100 is added together with the mixing water. 


Donplast SR100 complies with the requirements of the Specification for Chemical Admixture for Concrete ASTM C494 as a Type S admixture.

Download file (s)
Donplast SR100
Donplast SR100