| 
      
        |  |  
        | 
                
                  |                     
 
 冶金保护渣用硅灰石粉理化指标如下: 
 
| 规格 | SiO2 | CaO | Fe2O3 | LOSS | MgO | Al2O3 | S | P | 白度 |  
| mesh | ≥ | ≥ | ≤ | ≤ | ≤ | ≤ | ≤ | ≤ | ≥ |  
| 80 | 50 | 45 | 0.2 | 1.8 | 0.8 | 0.8 | 0.001 | 0.001 | 93 |  
| 120 | 50 | 45 | 0.2 | 1.8 | 0.8 | 0.8 | 0.001 | 0.001 | 93 |  
| 200 | 50 | 45 | 0.2 | 1.8 | 0.8 | 0.8 | 0.001 | 0.001 | 93 |  
| 200 | 50 | 45 | 0.2 | 1.8 | 0.8 | 0.8 | 0.001 | 0.001 | 93 |  
| 325 | 50 | 45 | 0.2 | 1.8 | 0.8 | 0.8 | 0.001 | 0.001 | 93 |    |  |  
        |  |  |