Saved Bookmarks
| 1. |
What is the composition of port land cement |
| Answer» Composition. Portland cement consists essentially of compounds of lime (CALCIUM OXIDE, CaO) mixed with silica (SILICON dioxide, SiO 2) and alumina (aluminum oxide, Al 2O 3). The lime is OBTAINED from a calcareous (lime-containing) raw material, and the other oxides are derived from an ARGILLACEOUS (clayey) material. | |