| Customization: | Available |
|---|---|
| Pore Volume: | More Than 24% |
| ISO9001: | Certified |
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Refractory balls are made of industrial alumina and refractory kaolin as the main raw materials, through scientific
formulation, forming and high-temperature calcination. They are suitable for hot blast furnaces, heating conversion furnaces and
other equipment in industries such as urea and steel.
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High Alumina Refractory Balls Physical and Chemical Index:
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Item
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Index
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Special grade high aluminum ball
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First-grade high aluminum ball
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Secondary high aluminum ball
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Grade 3 High Aluminum Ball
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|
|
Al2O3 %
|
|
80
|
75
|
65
|
55
|
|
Fe2O3 %
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≤
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1.8
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1.6
|
-
|
-
|
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Bulk density g/cm3
|
≥
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2.7
|
2.5
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2.3
|
2.1
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Apparent porosity %
|
≤
|
22
|
24
|
26
|
28
|
|
Cold Crushing Strength MPa
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≥
|
25
|
15
|
10
|
8
|
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0.2Mpa Refractoriness Under Load ºC
|
≥
|
1530
|
1480
|
1450
|
1400
|
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Thermal shock resistance cycle 1100ºCwater cooling
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≥
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10
|
15
|
15
|
15
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1. high temperature resistant performance, the highest heat resistant ceramic ball temperature can reach 1900 degrees;
2. high mechanical strength, long use cycle;
3. good chemical stability, no chemical reaction with the material;
4. good thermal stability, high strength;
Refractory ball application in chemical fertilizer plant of high and low temperature transformation furnace,
reformer, hydrogenation, desulfurization tank and methanation furnace, dispersed liquid, and supporting,
covering and protecting catalyst role, can also be used in heating furnace of iron and steel industry and
the transformation of equipment, ordinary refractory ball suitable for sulfuric acid and fertilizer industries
converter and transform furnace, high aluminum refractory ball is suitable for industries such as steel,
urea, hot blast furnace, heating and transformation furnace and other equipment.
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