SiO2 |
65~80 |
Moisture |
≤0.5 |
AL2O3 |
10~18 |
Solubility | Soluble in high concentration hot alkali |
CaO |
2.0~5.0 |
PH value | Neutral |
Fe2O3 |
1.5~2.5 |
Bulk density |
800~1200Kg/M3 |
K2O |
1.5~4.0 |
Weightlessness |
3.0±2 |
MgO |
1.0~2.0 |
Softening Point |
1100℃~1300℃ |
Na2O |
2.0~4.0 |
Melting point |
1200℃~1550℃ |
TiO2 |
0.01~0.03 |
Proportion |
1.0~2.5g/ml |