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magnesia refractory bricks
| Model No. : | Longstone |
|---|---|
| Brand Name : | MgO, MgO-C, MgO-CaO, MgO-Cr2O3, MgO-Al2O3 |
Product description
| Item
Brand | Chemical composition (%) | Apparent porosity (%) | Bulk density (g/cm3) | Cold crushing strength (MPa) | Refractoriness under load (0.2MPa) (°C) | Thermal expansion coefficient (1400°C) (%) | ||
MgO | SiO2 | CaO | ||||||
MZ-89 | ≥89 | -- | ≤2.5 | ≤18 | ≥2.90 | ≥50 | ≥1550 | 0~-0.5 |
MZ-91 | ≥91 | ≤3.0 | ≤2.0 | ≤18 | ≥2.95 | ≥60 | ≥1560 | 0~-0.5 |
MZ-93 | ≥93 | ≤2.5 | ≤2.0 | ≤18 | ≥2.95 | ≥60 | ≥1620 | 0~-0.4 |
MZ-94 | ≥94 | ≤2.0 | ≤2.0 | ≤18 | ≥3.00 | ≥60 | ≥1650 | 0~-0.4 |
MZ-95 | ≥95 | ≤2.0 | ≤2.0 | ≤18 | ≥3.00 | ≥60 | ≥1650 | 0~-0.3 |
MZ-96 | ≥96 | ≤1.0 | ≤2.0 | ≤18 | ≥3.00 | ≥60 | ≥1680 | 0~-0.3 |
MZ-97 | ≥97 | ≤0.8 | ≤1.0 | ≤18 | ≥3.00 | ≥60 | ≥1700 | 0~-0.2 |
MZ-98 | ≥97 | ≤0.8 | ≤0.6 | ≤18 | ≥3.00 | ≥60 | ≥1700 | 0~-0.2 |
| Item
Brand | Chemical composition (%) | Apparent porosity (%) | Bulk density (g/cm3) | Cold crushing strength (MPa) | Refractoriness under load (0.2MPa) (°C) | Thermal shock resistance (1100°C water cooling) (cycles) | Thermal expansion coefficient (1400°C) (%) | ||
MgO | SiO2 | Cr2O3 | |||||||
DMC-4 | ≥80 | ≤2.5 | ≥4 | ≤18 | ≥2.93 | ≥40 | ≥1600 | ≥4 | -- |
DMC-6 | ≥75 | ≤2.8 | ≥6 | ≤18 | ≥2.95 | ≥40 | ≥1600 | ≥4 | -- |
DMC-9A | ≥70 | ≤2.8 | ≥9 | ≤19 | ≥2.98 | ≥40 | ≥1600 | ≥4 | 1.8 |
DMC-9B | ≥70 | ≤3.0 | ≥9 | ≤19 | ≥2.98 | ≥40 | ≥1580 | ≥4 | -- |
DMC-12B | ≥60 | ≤3.2 | ≥12 | ≤19 | ≥3.00 | ≥35 | ≥1700 | ≥4 | -- |
ZMGe-12A | ≥70 | ≤1.5 | ≥12 | ≤17 | ≥3.10 | ≥45 | ≥1700 | ≥6 | 1.7 |
ZMGe-16A | ≥70 | ≤1.5 | ≥16 | ≤18 | ≥3.15 | ≥40 | ≥1700 | ≥5 | 1.6 |
ZMGe-16B | ≥68 | ≤2.5 | ≥16 | ≤18 | ≥3.10 | ≥45 | ≥1700 | ≥6 | -- |
ZMGe-18A | ≥65 | ≤1.5 | ≥18 | ≤18 | ≥3.15 | ≥40 | ≥1700 | ≥6 | -- |
ZMGe-18B | ≥63 | ≤2.5 | ≥18 | ≤18 | ≥3.15 | ≥45 | ≥1700 | ≥5 | -- |
ZMGe-22A | ≥58 | ≤2 | ≥22 | ≤18 | ≥3.18 | ≥40 | ≥1700 | ≥7 | 1.6 |
ZMGe-22B | ≥56 | ≤3 | ≥22 | ≤18 | ≥3.15 | ≥40 | ≥1700 | ≥6 | -- |
ZMGe-26A | ≥53 | ≤2 | ≥26 | ≤18 | ≥3.20 | ≥40 | ≥1700 | ≥7 | 1.8 |
ZMGe-26B | ≥51 | ≤2.5 | ≥26 | ≤18 | ≥3.18 | ≥40 | ≥1700 | ≥6 | -- |
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