High Alumina Brick for Thermal Insulating Refractory Fire Brick
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 2000 m.t./month
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Description of Refractory High Alumina Fire Brick
Refractory High Alumina Fire Brick for Thermal Insulating is a kind of insulation refractory product taking bauxite as main raw material and including not less than 48% of AL2O3. Refractory High Alumina Fire Brick can be used in building insulation layer and parts not being affected by strong high-temperature molten material erosion and scoured. The surface temperature of the common Refractory High Alumina Fire Brick cannot exceed 1350° C when it directly contacts the flame.
Features of Refractory High Alumina Fire Brick
1. Excellent thermal stability
2. High refractoriness under load
3. Chemical stability and anti-corrision
4. Small high temperature creep rate
5. Excellent thermal shock resistance
Specifications for Refractory High Alumina Fire Brick
Description of parameters | Refractory High Alumina Fire Brick | ||||||
LG- 1.0 | LG-0.9 | LG-0.8 | LG-0.7 | LG-0.6 | LG-0.5 | LG-0.4 | |
AL2O3 % | ≥48 | ||||||
Fe2O3 % | ≤2.0 | ||||||
Bulk Density, g/cm3 | ≤1.0 | ≤0.9 | ≤0.8 | ≤0.7 | ≤0.6 | ≤0.5 | ≤0.4 |
Cold Crushing Strength MPa | ≥3.9 | ≥3.4 | ≥2.9 | ≥2.5 | ≥2.0 | ≥1.5 | ≥0.8 |
Test temp linear change within 2%on reheating | 1400 | 1400 | 1400 | 1350 | 1350 | 1250 | 1250 |
Thermal conductivity /W.(m.k)-1 | ≤0.5 | ≤0.45 | ≤0.35 | ≤0.35 | ≤0.30 | ≤0.25 | ≤0.20 |
Images of Refractory High Alumina Fire Brick
Applications of Refractory High Alumina Fire Brick
1. Building materials for blast furnace
2. Building materials for hot-blast stove
3. Building materials for coke oven
4. Building materials for steel making furnace
5. For construction material in steel industry
6. For ladle
FAQ of Refractory High Alumina Fire Brick
1. Can we visit your factory?
Sure, we warmly welcome you to visit our factory any time. Seeing is believing.
2. After an order is placed, when you will deliver?
10-30days.
3. Does your company accept customization?
We have a strong technical force. Our production methods are unique in that in allows us to be responsive to the needs and specification of our customers. We use a batch method of production, so each technician on the line is responsible for a specific area of expertise. at any point in our production, we can make changes and incorporate the feedback from our clients. We accept OEM service.
4. How is your products quality?
We specialize in fire brick ,our products are superior in quality to any other brand available on the market. These fire brick are gaining popularity because of their fine quality, competitive prices, and our honest dealings.
- Q: What is fireproof concrete?
- According to the different properties of fire resisting and heat resisting concrete, they can be divided into silicate, aluminate, phosphate, sulfate, chloride, sol and organic substance, fireproof and heat-resisting concrete, etc.. The following are mainly used silicate, aluminate, phosphate, sulfate fire, heat-resistant concrete.
- Q: Is there a big difference between two high alumina brick and one high alumina brick?
- The difference between the two kinds of high alumina bricks is great. I perennial in Zhengzhou was responsible for the production and sale of colt refractories
- Q: What is the difference between corundum and high alumina??
- The main components of high alumina brick are high alumina bauxite, mullite and partial corundum sand.
- Q: What refractory material does cupola lining use?
- A class of inorganic nonmetallic materials with a refractoriness of not less than 1580 degrees. Refractoriness is defined as the temperature of a sample of a refractory cone sample that resists high temperature without loading and does not soften and melt down. But only in terms of fire resistance can not be fully described refractories, 1580 degrees of temperature is not absolute.
- Q: What is the price of the latest thermal insulation material?
- There are many kinds of insulation materials, and the price will fluctuate with the market. Small quantities of inquiry or procurement, then go directly to the local thermal insulation market, a wide variety of prices are basically the market price.
- Q: How to make refractory bricks and boiler wall adhesion more firm?
- Suggest that you use fire brick to increase the length of brick or pull the amount of turn, and use high temperature mortar masonry
- Q: Which is faster for heat transfer between corundum bricks and high alumina bricks?
- There must be a difference. They vary in color from the amount of aluminum, the weight, the temperature, and the color.
- Q: How to reduce porosity of high alumina brick
- When proportioning, the ratio of coarse to medium to fine is 4:2:4, and the maximum particle size should be no more than 5mm. The mixing order is as follows: first adding coarse particles, then adding sulfite pulp waste liquid, premixed 3min, then adding high aluminum fine powder for mixing. The operation process is coarse and fine particles added in sulfuric acid with crushed pulp waste.In order to reduce the porosity, our company suggested that the single-sided pressure changed to double-sided pressure instead of double-sided pressure, the number of strikes should also vary according to the amount of feeding. If the kiln is fired, the location of the fire hole shall be adjusted so that the middle part is dense, the edge is thin, and the door near the kiln is properly encrypted so that the temperature difference between the furnace top and bottom and the temperature difference between the inside and outside are not greater than 20 degrees.
- Q: Which thermal shock stability of clay brick and high alumina brick is good?
- The product has the advantages of high temperature, little creep, strong corrosion resistance and good thermal shock resistance, and is suitable for large and medium-sized hot blast stoves.Thermal shock stability is much better than clay brick.
- Q: What are the lining structures of lime rotary kilns and what are the requirements for refractories?
- The physical and chemical properties of refractory materials used in rotary kiln are as follows: physical and chemical properties of refractory materials used in rotary kilnMaterial name: high temperature compressive strength (MPa), softening temperature (DEG C), thermal shock resistance (1100 DEG C, cold water), sub volume density (g/cm3)Magnesia spinel brick is greater than or equal to 50 is greater than or equal to 1700 = 12 = 2.95High alumina brick is greater than or equal to 75 = 1520 = 8 = 2.57High aluminum bricks more than 50 = 1700 = 12 = 1The clay brick is greater than or equal to 30 = 1400 = 12 = 2.30
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High Alumina Brick for Thermal Insulating Refractory Fire Brick
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 2000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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