| Element | RP 26% | RP 27% | RP 28% | RP 30% |
|---|---|---|---|---|
| P205 | 26.0 | 27.0 | 28.0 | 30.00 |
| CaO | 44-45 | 45-46 | 47-48 | 48.00 |
| MgO | 03.05 | 0.6-0.4 | 0.35-05 | 0.40 |
| Fe2O3 | 1.90-2.00 | 1.8-2.00 | 2.00-2.50 | 2.20 |
| Al2O3 | 0.5-0.8 | 0.6-0.8 | 0.35-0.55 | 0.60 |
| CL | 0.05-0.07 | 0.08-0.06 | 0.04-0.07 | 0.07 |
| F | 2.5-2.6 | 2.7-2.8 | 2.50-3.50 | 3.10 |
| SiO2 | 11-14 | 10-11 | 7.00-10.5 | 8.00 |
| L.O.I | 8-10 | 7.5-8.5 | 6.5-8.0 | 7-50 |
| H2O | 4.0 (max) | 4.0 (max) | 4.0 (max) | 4.0 (max) |
