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| 
					NAME (电熔镁铬砂)
				 | 化学成分Chemical composition | 化学成分含量% chemical composition percentage | 密度 g/cm3 B.D | |||||
|---|---|---|---|---|---|---|---|---|
| 
					SiO2
				 | 
					Fe2O3
				 | 
					Al2O3
				 | 
					CaO
				 | 
					MgO
				 | 
					Cr2O3
				 | |||
| MgO.Cr2o3 | 
					≤1
				 | 
					≤9
				 | 
					≤4
				 | 
					≤1
				 | 
					66-68
				 | 
					18-20
				 | 3.65 | |
| MgO.Cr2o3 | 
					1.2-1.5
				 | 
					≤14
				 | 
					≤8
				 | 
					≤1.2
				 | 
					58-66
				 | 
					18-24
				 | 3.7 | |
| MgO.Cr2o3 | 
					≤1.2
				 | 
					≤12
				 | 
					≤8
				 | 
					≤1.5
				 | 
					50-52
				 | 
					28-30
				 | 3.7 | |
