Fused-Rebonded Magnesia Chrome Bricks, Refractory Bricks
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 100 m.t./month
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Packaging & Delivery
Materials of Insulation Brick | Lightweight Clay | Lightweight High-alumina | Lightweight High-alumina | |
°C | 1225 | 1300 | 1400 | |
Operation Temp | ||||
Chemical | AI2O3%≥f | 30 | 48 | 55 |
Composition | SiO2%≥ | |||
Fe2O3%≤ | 1.5 | 1.1 | 1 | |
TiO2%≤ | 2 | 1 | ||
CaO%≤ | ||||
Alikali %≤ | 1.5 | 1.5 | 1.5 | |
g/cm3 Density | 0.7 | 0.85 | 0.95 | |
%> Apparent Porosity | 75 | 65 | 65 | |
MPa ≥ | 1 | 1.5 | 2 | |
Cold Compression Strength | ||||
% | 1250°C/12h-1-0 | 1400°C/12h-1-0 | 1500°C/12h-1-0 | |
Linear Change on Reheating | ||||
(0.02MPa) | ||||
Refractoriness under Load | ||||
0.2%°C≥ | 1150 | 1250 | 1380 | |
2.0%°C≥ | 1200 | 1350 | 1470 | |
5.0%°C≥ | 1250 | 1400 | 1510 | |
Thermal Conductivity | ||||
20°C(W/mK)≤ | 0.17 | 0.3 | 0.4 | |
800°C(W/mK)≤ | 0.25 | |||
1000°C(W/mK)≤ | 0.35 | 0.45 | ||
Product Description
The fused-rebonded magnesia chrome brick has high temperature resistance, good corrosion resistance, thermal shock resistance and bulk stability under high temperature etc .The fused-rebonded magnesia chrome brick is made with sintered magnesia and refractory level chrome ore as raw materials. The space between refractory grains is bonded with silicate.The refractoriness of magnesia chrome bricks are more than 2000°C,and the refractory under load is a above 1550°C.Good steady volume in high temperature , the performance of meeting sudden cold and sudden hot is better than magnesia bricks.
The fused-rebonded magnesia chrome brick mainly used in metallurgy(open hearth,EAF), non-ferrous (metall-urgyfurnace ) , buildings and materials (cement rotary kiln,glass kiln) etc.
- Q: What are the differences between magnesium chrome bricks, such as direct bonding, re bonding, semi bonding, CO sintering and chemical bonding? Hope expert advice..
- The process of firing magnesia chrome bricks is roughly the same as that of magnesia bricks. In order to eliminate the brick during firing, due to MgO and Cr2O3, Al2O3
- Q: Refractory brick, high alumina brick, magnesia chrome brick, magnesia brick, clay brick, which type of high temperature refractory brick?
- I produce clay bricks, and my bricks stand at 1500-1700 degrees. Specific depends on what kiln, brick is only part of it
- Q: What are the environmental hazards of magnesia chrome refractory bricks?
- Nowadays, the use of magnesia chrome bricks, especially in cement kilns in the construction industry, has been required to be free of chromium, and the cement products shall not be tested with chromium.
- Q: How much is magnesium chrome brick a ton?
- The price of bricks in different places is not the same. The average price is about 3500 yuan
- Q: Magnesia chrome brick
- Magnesite brick and electric arc furnace melting magnesium chromium material by direct casting (see Figure microstructure, color), fused magnesia chrome brick material produced by the process of melting particles combined with magnesia chrome brick etc..
- Q: How many kinds of refractory bricks are there?
- Dolomite brick: coating performance, good erosion resistance, but how many bricks f-CaO, yasumizu, it is difficult to transport and storage, production with less.
- Q: What are the types of magnesia chrome bricks for industrial use?
- It is possible to judge by the concrete kiln. The magnesium chrome bricks produced by real gold company are very good. Our factory purchased them the year before last, and their technicians were very professional, and gave us very good suggestions.
- Q: What is a half combination of magnesia chrome bricks?
- Opacifying particles as periclase spinel crystal structure, fully developed, as part of account of solution structure and matrix.
- Q: With different capacitance magnesia brick brick
- Burnt magnesia brick is made of high quality sintered magnesia as main raw materials, paper pulp as binder. After mixing and high pressure molding, it is fired in a high temperature tunnel kiln over 1550 degrees celsius. It has good thermal stability, corrosion resistance and spalling resistance. Widely used in converter, arc furnace and other industrial furnace lining refractory.
- Q: What are the main raw materials of magnesia chrome bricks?
- At present the most widely used are magnesium aluminum alloy, followed by magnesium manganese alloy and magnesium zinc zirconium alloy. Mainly used in aviation, aerospace, transportation, chemical, rocket and other industrial sectors. In practical metals, it is the lightest metal, and the specific gravity of magnesium is about 2/3 of aluminum and 1/4 of iron. It is the lightest metal in practical metals, high strength and high rigidity.
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Fused-Rebonded Magnesia Chrome Bricks, Refractory Bricks
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 100 m.t./month
OKorder Service Pledge
OKorder Financial Service
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