pozzuolana
1.Any of various artificially produced substances resembling pozzuolana ash.
2.The results of the study show that the strength of clinker can reach above 62.5 Mpa by using the modified fly ash as clayey material to manufacture clinker, the requirments of 42.5R grade pozzuolana cement can be reached by adding 25% modified fly ash in the cement grinding.
