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Donplast SR300P
Expansive concrete admixture (Formerly known as Flocrete SR300P)
  • Allows for net shrinkage reduction for concrete mixes.
  • Does not affect the mechanical strength.
  • Does not impact the water/cement ratio.
  • Compatible with superplasticizers and air-entrained concrete.
  • Improves water tightness.

Flocrete SR300P is a powdered admixture specially designed to produce shrinkage compensating concrete mixes where med-to-low water to cement ratio and positive volumetric change are required.

  • Concrete floors.
  • Bridges decks.
  • Jetties and block for sea works.
  • Parking structures.
  • Watertight constructions.
  • High strength concrete sheet pile.

Flocrete SR300P is available in 11 lb (5kg) and 22 lb (25 kg) bags, other packaging can be available upon request.


Depending on the application, the dosage of Flocrete SR300P varies from 0.5 to 2.5% of the cement or cementitious materials in the mix including GGBFS, PFA or micro-silica.

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Donplast SR300P
Donplast SR300P