Ramming Mass JR-171
| Silica Sio2 | 99.27%, |
| Alumina Al2O3 | 0.04%, |
| Ferric Oxide Fe2O3 | 0.04%, |
| Titanium Dioxide Tio-2c | 0.08%, |
| Magnesium Oxide Mgo | 0.11%, |
| Sodium Oxide Na-2o | 0.05%, |
| Loss on Ignition- 0.08% Sintering Temperature - 1200 c App, Approximate Temperature- 1700c | |
