Burner Block 1
Grade |
BY-1 |
BY-2 |
|
Al2O3+MgO,% |
≥80 |
≥86 |
|
Bulk density , g/cm3 |
110℃×24h |
≥2.85 |
≥2.90 |
1550℃×3h |
≥2.80 |
≥2.90 |
|
Linear change rate , % |
110℃×24h |
0—0.2 |
-0.1—0 |
1550℃×3h |
+0.8—+1.9 |
-0.5—+0.5 |
|
Cold crushing strength MPa |
110℃×24h |
≥50 |
≥40 |
1550℃×3h |
≥60 |
≥60 |
|
Modulous Of Rupture MPa |
110℃×24h |
≥8.0 |
≥8.0 |
1550℃×3h |
≥9.0 |
≥10.0 |
|
Refractoriness under load , ℃ |
≥1410 |
≥1500 |
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