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High Alumina Bricks Introduction High alumina brick is a kind of alumina-silicate refractory material with content of alumina oxide more than 48%. It is calcined and formed by the raw material of banxite or the material with high content of AL2O3. High thermal stability, the refractoriness is more than 1770℃. Good slag resistance, used for the liner of masonry steel-making electric stove, glass furnace and cement revolver. Feature of high alumina bricks 1. Good thermal conductivity. 2. High fire resistance. 3. Good slag resistance, acid and alkali resistance. 4. Thermal stability.
Features
High Alumina Refractory Bricks Advantage
1. High refractoriness;High temperature strength;High thermal stability;Neutral refractory; 2. Good resistance to acid and basic slag corrosion;High refractoriness under load; 3. High temperature creep resistance;Low apparent porosity; Standard sizing: 230 x 114 x 65 mm Customized according to customer requirements
Material
high alumina bauxite-Al2O3 content is 48%-85%
Temperature
Refractoriness is above 1770°C,Working temperature:1350°C -1650°C
Color
earthy yellow
Size
Standard sizing: 230 x 114 x 65 mm ,Special size and OEM Service also provide!
Shape
Straight Brick,special-shaped brick,checher brick,trapezoidal brick,Bricks with taper,arch brick,skew brick,ect.
Product Application
Use Of High Alumina Bricks As a basic material in the field of high-temperature technology, high alumina bricks are widely used in cement, glass building materials, steel smelting, petrochemical and other industries. High temperature industrial furnaces for high alumina bricks include blast furnace, hot blast furnace, electric furnace, blast furnace, reverberatory furnace and rotary kiln lining. In addition, high alumina bricks can also be processed into open hearth regenerative grid bricks, socket bricks for pouring system, nozzle bricks, etc. according to the requirements of industrial furnaces.
Specification
Item/Grade
Fire clay brick
High alumina brick
SK-30
SK-32
SK-34
SK-35
SK-36
SK-37
SK-38
SK-40
AL2O3% (≥)
30
35
38
45
55
65
70
82
Fe2O3% (≤)
2.5
2.5
2
2
2
2
2
2
Refractoriness(SK)
30
32
34
35
36
37
38
40
Refractoriness under load, 0.2MPa, °C (≥)
1250
1300
1360
1420
1450
1480
1530
1600
Apparent porosity (%)
22-26
20-24
20-22
18-20
20-23
20-23
20-22
18-20
Bulk density (g/cm³)
1.9-2.0
1.95-2.1
2.1-2.2
2.15-2.22
2.25-2.4
2.3-2.5
2.4-2.6
2.5-2.7
Cold crushing strength ,MPa (≥)
20
25
30
40
45
50
60
70
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2011
Total Annual:
20000000-50000000
Employee Number:
101~150
Ecer Certification：
Verified Supplier
Our company can provide not only the domestic and foreign customers excellent quality of high-temperature thermal insulation material, but also the first-rate service including professional furnace lining design, installation supervision, engineering construction etc.
<p style="... Our company can provide not only the domestic and foreign customers excellent quality of high-temperature thermal insulation material, but also the first-rate service including professional furnace lining design, installation supervision, engineering construction etc.
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