High Alumina Brick - Good Price High Alumina Refractory Brick
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- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 2000 m.t./month
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Raw material: Natural ore and its extract or other synthetic materials.
Refractory brick features:
1.Export more than 20 countries;
2.Accurate delivery time;
3.Professional technical service;
4.Most bricks in stock.
Refractory brick Process:
Raw material to factory→ checkout→ burdening→stirring→mixing→taking out the raw material→transfer
→enter into mould→press machine extrusion→going out the mould→stoving→going into the furnace→firing
→stopping burn→cooling→open the furnace door→going out the furnace→checkout→packing→qualified product
→putting in storage→sale
| High Alumina Refractory Brick Physical and Chemical Index : | ||||||
| Item | Properties | |||||
| LZ-80 | LZ-75 | LZ-65 | LZ-55 | LZ-48 | ||
| Al2O3 (%) | 80 | ≥75 | ≥65 | ≥55 | ≥48 | |
| Refractoriness (°C ) | ≥1790 | ≥1790 | ≥1790 | ≥1770 | ≥1750 | |
| Bulk density (g/cm3) | 2.65 | 2.5 | 2.45 | 2.4 | 2.3 | |
| Softening temperature under load (°C ) | 1530 | ≥1520 | ≥1500 | ≥1470 | ≥1420 | |
| Linear changes on reheating (%) | 1500°CX2H | 0.1 | 0.1 | 0.1 | 0.1 | |
| -0.4 | -0.4 | -0.4 | -0.4 | |||
| 1450°CX2H | 0.1 | |||||
| -0.4 | ||||||
| Apparent porosity (%) | 22 | ≤23 | ≤23 | ≤22 | ≤22 | |
| Cold crushing strength (Mpa) | 55 | ≥50 | ≥45 | ≥40 | ≥35 | |
| Application | steel furnace, glass furnace, sodium silicate furnace, ceramic shuttle kiln, cement rotary kiln, blast furnace, electric furnace, blast furnace and reverberatory furnace. | |||||
Other Refractory Product:
| Item | Product | Reference Index | Application |
| 1 | Fire Clay Brick | 1.Al2O3:30-48%; 2.Refractoriness:1580-1750°C; 3.Refractoriness under load:1300-1400°C; 4.Bulk density:2.0-2.2g/cm3. | 1.Glass furnace, 2.Heating furnace, 3.Hot blast stove, 4.Blast furnace, 5.Metal melting furnace, 6.Bolier, 7.Pizza oven, 8.All industrial furnace. |
| 2 | Low Porosity Fire Clay Brick | 1.Al2O3:41-45%; 2.Refractoriness:≥1750°C; 3.Refractoriness under load:>1500°C; 4.Bulk density:2.3-2.37g/cm3; 5.Apparent porosity:12-15% | 1.Glass industry, 2.Steel industry, 3.Chemical industry. |
| 3 | High Alumina Brick | 1.Al2O3:48-80%; 2.Refractoriness:≥1790°C; 3.Refractoriness under load:1300-1400°C; 4.Bulk density:2.3-2.65g/cm3. | 1.Glass furnace, 2.Heating furnace, 3.Heat treatment furnace, 4.Blast furnace, 5.Metal melting furnace, 6.Electric furnace, 7.Pizza oven, 8.All industrial furnace. |
| 4 | Fused Cast Zirconia Corundum Block | 1.Al2O3:40-50%; 2.ZrO2:32-41%; 3.SiO2:13-17%; 4.Exudation temperature of glass phase: 1080-1400°C; 5.Refractoriness under load:1400-1450°C; 4.Bulk density:3.4-3.95g/cm3. | 1.Flat glass furnace, 2.Glass tube furnace, 3.Float glass furnace, 4.Glass bottle furnace, 5.Sodium silicate furnace, 6.Ceramic frit furnace, 7.Glass melting furnace. |
| 5 | Sintered Azs Refractory Brick | 1.ZrO2:18-30%; 2.Al2O3:48-70%; 2.Refractoriness:1770-1790°C; 3.Refractoriness under load:1600-1680°C; 4.Bulk density:2.8-3.4g/cm3. | 1.Glass furnace, 2.Sodium silicate furnace, 3.Ceramic Frit furnace, 4.Metallurgical furnace. |
| 6 | Sintered Zircon Firebrick | 1.ZrO2:64%; 2.SiO2:34%; 2.Refractoriness:1790°C; 3.Refractoriness under load:1620°C; 4.Bulk density:3.5-3.7g/cm3. | 1.Glass furnace, 2.Sodium silicate furnace, 3.Ceramic Frit furnace, 4.Metallurgical furnace. |
| 7 | Sintered Zirconia-mullite Brick | 1.ZrO2:18-25%; 2.Al2O3:60-67%; 2.Refractoriness:1790°C; 3.Refractoriness under load:1650°C; 4.Bulk density:2.9-3.0g/cm3. | 1.Glass furnace, 2.Sodium silicate furnace, 3.Ceramic Frit furnace, 4.Ladle lining. |
| 8 | Sillimanite Refractory Brick | 1.Al2O3:>60%; 2.SiO2:37%; 3.Refractoriness:1790°C; 4.Refractoriness under load:1450-1510°C; 5.Bulk density:2.2-2.4g/cm3. | 1.Glass furnace, 2.Float glass furnace, 3.Feeding machine, 4.Drawing machine. |
| 9 | Sintered Mullite Fire Brick | 1.Al2O3:64-80%; 2.Fe2O3:0.5-1.2%; 3.Refractoriness:1790°C-1810°C; 4.Refractoriness under load:1560-1700°C; 5.Bulk density:2.45--2.75g/cm3 | 1.Glass furnace, 2.Float glass furnace, 3.Feeding machine, 4.Drawing machine. |
| 10 | Silica Brick | 1.SiO2:95-96%; 2.Refractoriness:1710°C; 3.Refractoriness under load:1650-1680°C; 4.Bulk density:1.85-1.9g/cm3. | 1.Glass furnace, 2.Coke oven, 3.Hot blast stove. |
| 11 | Magnesia Fire Brick | 1.MgO:92-97%; 2.CaO:2-2.5%; 3.SiO2:1-4%; 4.Refractoriness under load:1600-1700°C; 5.Bulk density:2.88-3.0g/cm3. | 1.Glass Furnace, 2.Cement kiln, 3.Metallurgical furnace, 4.Steel making electric furnace 5.Flat furnace. |
- Q:What does refractory consist of?
- According to the chemical characteristics of refractory raw materials can be divided into acidic refractory materials, such as silica, zircon etc.; neutral refractory raw material, such as corundum, bauxite, mullite (acidic) (acidic), Ge (alkaline) iron and graphite; alkaline refractory materials, such as magnesite, dolomite, magnesium sand calcium sand.
- Q:What is the standard classification of high alumina bricks and high alumina bricks?
- High alumina brick is one of refractory materials. The main component of this kind of refractory brick is AL2O3. High alumina brick refractory clay brick and brick than refractoriness to high. It belongs to high refractory. High alumina brick Al2O3 more, close to the neutral refractory material, can resist acid slag and alkaline slag erosion, because it contains SiO2, so the ability of alkaline slag resistance than acid resistant slag ability is weaker.According to the number of AL2O3 content is divided into, 55,65, 75,80 and so on several grades.
- Q:What causes breakage of refractory bricks?
- Refractory brick is a non metal mineral products can be used in the high temperature of 1550 DEG C under belongs to a class of inorganic, used in high-temperature furnace lining materials as protection kiln, which causes damage, usually have these points.Furnace temperature is not clear, there is no corresponding choice of refractory bricks.Physical impact, abrasion and erosion cause damageChemical factors, especially chemical industry, should be made of refractory bricks, which should be resistant to penetration and erosionIV: products from the factory when the factory did not pass the quality inspection standards
- Q:How does the physicochemical index change when the high alumina brick is used at high temperature?
- If the range of softening temperature exceeds the load, the constants of other physical and chemical indexes will also increase or decrease.
- Q:How are the grades of high alumina bricks differentiated?
- High alumina brick: aluminium silicate refractory product with a content of three Al2O3 (two) and more than 48%
- Q:How to reduce the harm caused by two times mullite in high alumina refractory material
- Two times mullite refers to the content of aluminum is about 70%, in high temperature sintering, the expansion coefficient is large, the thermal expansion rate is high.
- Q:What are the main components of high alumina bricks?
- Sweat is like water mineral alumina bauxite, aluminum ore, magnesite, waves of gibbsite. Anhydrous alumina raw material, such as corundum, alumina, fused corundum. High alumina brick Zhengzhou gold company specializing in the production of various specifications, you can directly ask their technical staff.
- Q:What are the requirements for refractory materials in heat treatment furnace?
- Fire resistance is an important performance index of refractory materials, but it does not represent the highest temperature in actual use of refractory materials. In actual use, refractories also bear certain pressure, therefore, must consider the high strength at high temperature refractory material, which is in high temperature under certain pressure without deformation, such as the NZ-40 refractory refractory degree up to 1730 DEG C, but the maximum temperature is only 1350 degrees celsius.
- Q:What kind of material is the general metal case?
- Ordinary computer chassis and the material itself does not produce high-energy radiation, only in the space environment of the computer is the external defense requirements, and in the space structure, the use of lead as protective materials, unbearable weight.
- Q:In 2016, a few of the traditional refractory materials will be able to survive
- The other is in large enterprises and individual has the unique advantage of the small enterprises, with independent technology system, production equipment advanced, there are certain funds set up to deal with risk, timely reform, such enterprises compared to a few years ago the productivity and sales or have declined, but overall is still in the stage of production increased steadily.
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High Alumina Brick - Good Price High Alumina Refractory Brick
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 2000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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