The main raw material of magnesia bricks is burned magnesia or electric fused magnesia,High pressure forming,high-temperature 1600-1700°C sintering,MgO content is above 91%. KERUI is a professional manufacturer of magnesia bricks, welcome to inquire!
| Item/Grade | M-98 | M-97A | M-97B | M-95A | M-95B | M-91 | M-89 | |
|---|---|---|---|---|---|---|---|---|
| ω (MgO)/% | μ0 ≥ | 97.5 | 97.0 | 96.5 | 95.0 | 94.5 | 91.0 | 89.0 |
| σ | 1.0 | 1.5 | ||||||
| ω (SiO2)/% | μ0 ≤ | 1.00 | 1.20 | 1.50 | 2.00 | 2.50 | / | / |
| σ | 0.30 | |||||||
| ω (CaO)/% | μ0 ≤ | / | / | / | 2.00 | 2.00 | 3.00 | 3.00 |
| σ | 0.30 | |||||||
| Apparent Porosity/% | μ0 ≤ | 16 | 16 | 18 | 16 | 18 | 18 | 20 |
| σ | 1.5 | |||||||
| Bulk Density (g/cm³) | μ0 ≥ | 3.00 | 3.00 | 2.95 | 2.90 | 2.85 | ||
| σ | 0.30 | |||||||
| Cold Crushing Strength/MPa | μ0 ≥ | 60 | 60 | 60 | 60 | 50 | ||
| Xmin | 50 | 50 | 50 | 50 | 45 | |||
| σ | 10 | |||||||
| 0.2MPa Refractoriness Underload/℃ | μ0 ≥ | 1700 | 1700 | 1650 | 1560 | 1500 | ||
| σ | 15 | |||||||
| Permanent Linear Change/% | Xmin~Xmax | 1650℃*2h -0.2-0 | 1650℃*2h -0.3-0 | 1600℃*2h -0.5-0 | 1600℃*2h -0.6-0 | |||
1.Refractory Performance
2.Excellent Slag Resistance
3.Good Thermal Conductivity
4.Long Life and Durability
5.Rapid Cooling and Thermal Expansion Adaptability
Magnesia bricks are mainly used in steel-making furnaces, cement kilns, glass furnaces, etc., due to their high refractoriness and good slag resistance.
We have our own factory with professional technical team and production equipment. With Fully automatic batching system; 20 sets of 400-1000 ton forming presses; 2 * 168m high-temperature tunnel kilns; 20000㎡ storage workshop. Ensure product quality, improve production efficiency, and provide customers with the most satisfactory products and services.
The entire delivery process is tracked, and Kerui’s expert team solves specific project needs with the utmost professionalism. If the customer’s project requires it, Kerui’s expert team will go to the customer’s country to provide face-to-face technical support.