Pozzocrete 83
Description
Pozzocrete 83 is an high efficiency pozzolanic material, obtained by selection and processing of power station fly ashes resulting from the combustion of pulverised bituminous/sub-bituminous coal. Pozzocrete 83 is subjected to strict quality control.
General Information
| Presentation | Finely divided dry powder |
| Colour | Greyish white |
| Bulk Weight | Aprox. 0.9 metric ton per cubic meter |
| Specific density | Aprox. 2.3 metric ton per cubic meter |
| Particle size | 95% < 45 micron |
| Particle shape | Spherical |
| Package | 30 kg bags, 1 metric ton big-bags and bulk tankers |
Recommended uses
Concrete
General purpose plain and reinforced structural concrete with 28 day
strength levels exceeding 50 MPa.
Special purpose concrete, such as pre-stressed pre-cast concrete and high
performance concrete.
Cement
High grade, sulphate resistant/marine resistant blended cements (Portland
Pozzolana Cement).
Mortar
High performance mortars for use on external plastering on sea areas.
Mortars to be used in the repair of structural concrete.
Grout
Specialised micro-grouts for crack sealing in repair works.
Recommended Dosage
The dosages of Pozzocrete 83 and the other mix constituents should be determined by appropriate mix design testing. They will depend on required mix properties, cement grade and properties, admixtures used, etc. The following figures are indicative.
Percentage of binder
Dosage
Typical concrete performance – Replacement 1:1 (compared to plain OPC mixes)

