Uru:
1.Substitute maka omenala Silicon metal ntụ ntụ dị ka ihe refractory, belata ọnụahịa ngwaahịa.
2.Size nkesa bụ ihe edo.
3.Stable arụmọrụ na ogologo ndụ ọrụ nke refractory ngwaahịa.
| Silicon ntụ ntụ | Nha (ntupu) |
Ngwakọta kemịkalụ% | |||
| Si | Fe | Al | Ca | ||
| ≥ | ≤ | ||||
| Chemical silicon ntụ ntụ |
Si- (20-100 ntupu) Si- (30-120 ntupu) Si-(40-160 ntupu) Si- (100-200 ntupu) Si- (45-325 ntupu) Si-(50-500 ntupu) |
99.6 | 0.2 | 0.15 | 0.05 |
| 99.2 | 0.4 | 0.2 | 0.1 | ||
| 99.0 | 0.4 | 0.4 | 0.2 | ||
| 98.5 | 0.5 | 0.5 | 0.3 | ||
| 98.0 | 0.6 | 0.5 | 0.3 | ||
| Silicon ntụ ntụ maka refractory | - 150 ntupu - 200 ntupu - 325 ntupu - 400 ntupu - 600 ugboro |
99.6 | 0.2 | 0.15 | 0.05 |
| 99.2 | 0.4 | 0.2 | 0.1 | ||
| 99.0 | 0.4 | 0.4 | 0.2 | ||
| 98.5 | 0.5 | 0.3 | 0.2 | ||
| 98.0 | 0.6 | 0.5 | 0.3 | ||
| Ọkwa dị ala | - 200 ntupu - 325 ntupu |
95-97 | Ọdịnaya adịghị ọcha≤3.0% | ||
Ngwa:
1.Substitute maka aluminom oxide apịtị dị ka ihe mgbagha.
2.Used dị ka mgbakwunye na-emepụta amorphous na ekara refractory ngwaahịa, ukwuu mma ike na elu-okpomọkụ omume.
3.Jiri dị ka castables ekekọta nke teeming ladle.
4.As cohesive gị n'ụlọnga, ihe nkedo, coagulant, mgbakwunye nke ọzọ refractory ngwaahịa.