Negotiable
The date of payment from buyers deliver within days
Shandong
Long-term effective
2020-01-25 16:42
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Company Profile
Zibo Jucos Co.,LtdBy certification [File Integrity]
Contact:junguang(Mr.)
Email:
Telephone:
Phone:
Area:Shandong
Address:Shandong
Website:http://www.jucosrefractory.com/ http://junguang.china-aaafirst.com/
Product Details
High Alumina Brick is a neutral refractory material with an alumina content exceeding 48%. It is formed by calcining alumina and other raw materials with high alumina content. It has good slag resistance and can be used for the lining of steel-making electric furnaces, glass melting furnaces, cement rotary furnaces, etc. These bricks are used in various industrial furnaces and high temperature areas to extend the life of the furnace.
Features
1. Fire resistance
High Alumina Brick has a higher refractoriness than clay bricks and semi-silica bricks, reaching 1750-1790°C, which is a high-grade refractory material.
2. Load softening temperature
Because the high Al2O3 in high-aluminum products has less impurities and fusible glass body, the load softening temperature is higher than that of clay bricks
2. Slag resistance
High alumina brick contains more Al2O3, which is close to neutral refractories and can resist the erosion of acid slag and alkali slag.
Applications
High Alumina Brick can be applied in the following areas:
1. Steel manufacturing industry: blast furnace, hot blast furnace (furnace), pellet furnace, ladle, ladle, tundish, heating furnace, soaking furnace, heat treatment furnace, refining furnace, heating furnace, metal stirring furnace, annealing furnace, cupola , Electric arc furnace, induction furnace, AOD furnace, VOD furnace and other technical equipment.
2. Non-ferrous metal industry: smelting furnace, refining furnace, reverberatory furnace, converter.
3. Building materials industry: cement kiln, glass kiln, ceramic kiln, lime kiln, automobile kiln, tunnel kiln
4. Energy and incineration: coke oven, ordinary boiler, power generation, power generation, boiler, circulating fluidized bed boiler, electric furnace, charcoal injection furnace, garbage incinerator.
5. Other: petrochemical industrial furnace.
Physical And Chemical Indicators
Brand Properties |
SK-40 |
SK-38 |
SK-37 |
SK-36 |
SK-35 |
|
Refractoriness (SK) |
40 |
38 |
37 |
36 |
35 |
|
Apparent Porosity (%) |
22 |
23 |
23 |
23 |
23 |
|
Bulk Density (g/cm3) |
2.65 |
2.40 |
2.35 |
2.30 |
2.25 |
|
Cold Crushing Strength(MPa) |
70 |
52 |
50 |
45 |
40 |
|
Thermal Linear Expansion(%) @1000deg |
0.6 |
0.6 |
0.6 |
0.6 |
0.6 |
|
Permanent Linear Change(%) @1400degx2hrs |
±0.2 |
±0.3 |
±0.3 |
±0.3 |
±0.3 |
|
Refractoriness under Load (ºC) @0.2MPa |
1,530 |
1,500 |
1,450 |
1,420 |
1,380 |
|
Chemical Composition(%) |
Al2O3 |
80 |
72 |
60 |
50 |
45 |
Fe2O3 |
1.8 |
2.0 |
2.0 |
2.0 |
2.0 |
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