Portland Pozzolana Cement

In this cement, fly ash is added up to 30%, and inter-grinded with 4% gypsum and 66% clinker to produce Portland Pozzolana Cement. This cement conforms to IS 1489(Part-I)/1991, having strength of 23, 33, and 43 mega-pascal in 3 day, 7 day and 28 day although the norms require minimum strength of 16, 22 and 33 mega-pascal respectively. High strength is achieved by the good quality of clinker and then the technique grinding.

 

Uses of PPC

»» Buildings, walls, roads and bridges

»» Dams, power houses, tunnels, spillways and mass concreting

»» Airports, runaways

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