Lower porosity,high chemical stability, high temperature performance,high wear resistance
The product is usually used as various kiln materials for metallurgy,petrochemical, petroleum, machinery,building materials and other industries.
| 
 Items  | 
Unit | A600 | A700 | G9 | ||
| Chemical composition | Al2O3 | % | 50-60 | 50-60 | 
 53.5max  | 
|
| CaO | % | 33min | 33.00min | 
 33.00min  | 
||
| SiO2 | % | 8.00max | 8.00max | 
 5.50max  | 
||
| Fe2O3 | % | 2.50max | 2.50max | 
 2.50max  | 
||
| RO2 | % | 0.4max | 0.40max | 
 0.40max  | 
||
| Specific Surface Aea | cm3/g | 3000max | 3000max | 350min | ||
| Beginning Set | min | 60min | 60min | 
 90min  | 
||
| Ending Set | h | 6max | 6max | 
 6min  | 
||
| Bending Strength | 1 day | Mpa | 5.50max | 7.00min | 
 8.00min  | 
|
| 3 day | Mpa | 6.50max | 8.00min | 
 10.00min  | 
||
| Compressive Strength | 1 day | Mpa | 40.00max | 50.00min | 
 72.00min  | 
|
| 3 day | Mpa | 50.00max | 60.00min | 
 82.00min  | 
||
| Refractories | ℃ | 1350 | 1350 | 1450 | ||
| 
 Items  | 
 Unit  | 
CA-70 | CA-80 | ||
| Chemical composition | Al2O3 | % | 68.50-72.00 | 78.50-81.00 | |
| CaO | % | 28.0-31.50 | 17.00-20.00 | ||
| SiO2 | % | ≤0.50 | ≤0.40 | ||
| Fe2O3 | % | ≤0.50 | ≤0.30 | ||
| K2O+Na2O | % | ≤0.50 | |||
| Specific Surface Aea | Cm2/g | ≥5000 | ≥7000 | ||
| Beginning Set | min | ≥45 | ≥30 | ||
| Ending Set | h | ≤6 | ≤6 | ||
| Bending Strength | 24h | Mpa | ≥7.0 | ≥5.50 | |
| Compressive
 Strength  | 
24h | Mpa | ≥45 | ≥40 | |
| Refractories | ℃ | ≥1600 | ≥1790 | ||