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Refractory Firebrick
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The size, Chemical analysis,Technical specification can be customized
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ZYC
Teachnical Data:
Item/Grade NO. | Fire clay brick | High alumina brick | |||||
SK-32 | SK-34 | SK-35 | SK-36 | SK-37 | SK-38 | ||
Chemical Analysis (%) | AL2O3 | 32-36 | 38-42 | 45-50 | 50-55 | 60-65 | 70-75 |
Fe2O3 ≤ | 2.5 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | |
Refractoriness | SK | 32 | 34 | 35 | 36 | 37 | 38 |
°C | 1710 | 1750 | 1770 | 1790 | 1825 | 1850 | |
Refractoriness Under Load, 2kg/cm2, T2 (°C) ≥ | 1350 | 1400 | 1450 | 1500 | 1530 | 1560 | |
Apparent Porosity (%) ≤ | 24 | 22 | 22 | 22 | 22 | 22 | |
Bulk Density (g/cm³) | 2.0～2.1 | 2.1～2.2 | 2.2～2.3 | 2.2～2.4 | 2.3～2.6 | 2.4～2.6 | |
Cold Crushing Strength (kg/cm2) ≥ | 250 | 350 | 400 | 450 | 500 | 550 | |
Thermal Expansion at 1000°C(%) | 0.4～0.6 | 0.4～0.6 | 0.5～0.7 | 0.5～0.7 | 0.5～0.7 | 0.5～0.7 | |
Permanent Linear Change at 1500°C×2Hrs(%) | 0～-0.4 1350°C×2Hrs | 0～-0.3 1400°C×2Hrs | 0～-0.2 | 0～-0.2 | 0～-0.2 | 0～-0.2 | |
Characteristics:
1. High precision of dimensions.
2. Excellent spalling resistance and wear resistance.
3. Excellent corrosion resistance.
4. Excellent thermal shock resistance.
5. Low iron content and impurities.
6. High-temperature creep rate is low.
7. Excellent volume stability at high temperature.
Application:
They are widely used in liner,Arch,Roof,Combustor,Bottom for various kinds of industrial high temperature furnace and other thermal quipment.
Application | 1. Iron&steel making industry: Blast furnace,Hot blast furnace(stove),Hot metal ladle,Steel ladle,Heating furnace,Cupola furnace, etc . |
2. Non-ferrous Metal industry: Smelting furnace,Refining furnace,Reverberatory furnace,etc. | |
3.Building materials industry: Cement kiln,Glass kiln,Tunnel kiln,Ceramic kiln,Lime kilns,Kiln car,etc. | |
4. Energy & Incineration: Coke oven,General boiler,Circulating fluidized bed boiler,Electric furnace,Waste incinerators,etc. | |
5. Civilian field : Domestic fireplaces, Pizza Oven and outdoor ovens. | |
6. Others: Petrochemical industry furnace. |
Teachnical Data:
Item/Grade NO. | Fire clay brick | High alumina brick | |||||
SK-32 | SK-34 | SK-35 | SK-36 | SK-37 | SK-38 | ||
Chemical Analysis (%) | AL2O3 | 32-36 | 38-42 | 45-50 | 50-55 | 60-65 | 70-75 |
Fe2O3 ≤ | 2.5 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | |
Refractoriness | SK | 32 | 34 | 35 | 36 | 37 | 38 |
°C | 1710 | 1750 | 1770 | 1790 | 1825 | 1850 | |
Refractoriness Under Load, 2kg/cm2, T2 (°C) ≥ | 1350 | 1400 | 1450 | 1500 | 1530 | 1560 | |
Apparent Porosity (%) ≤ | 24 | 22 | 22 | 22 | 22 | 22 | |
Bulk Density (g/cm³) | 2.0～2.1 | 2.1～2.2 | 2.2～2.3 | 2.2～2.4 | 2.3～2.6 | 2.4～2.6 | |
Cold Crushing Strength (kg/cm2) ≥ | 250 | 350 | 400 | 450 | 500 | 550 | |
Thermal Expansion at 1000°C(%) | 0.4～0.6 | 0.4～0.6 | 0.5～0.7 | 0.5～0.7 | 0.5～0.7 | 0.5～0.7 | |
Permanent Linear Change at 1500°C×2Hrs(%) | 0～-0.4 1350°C×2Hrs | 0～-0.3 1400°C×2Hrs | 0～-0.2 | 0～-0.2 | 0～-0.2 | 0～-0.2 | |
Characteristics:
1. High precision of dimensions.
2. Excellent spalling resistance and wear resistance.
3. Excellent corrosion resistance.
4. Excellent thermal shock resistance.
5. Low iron content and impurities.
6. High-temperature creep rate is low.
7. Excellent volume stability at high temperature.
Application:
They are widely used in liner,Arch,Roof,Combustor,Bottom for various kinds of industrial high temperature furnace and other thermal quipment.
Application | 1. Iron&steel making industry: Blast furnace,Hot blast furnace(stove),Hot metal ladle,Steel ladle,Heating furnace,Cupola furnace, etc . |
2. Non-ferrous Metal industry: Smelting furnace,Refining furnace,Reverberatory furnace,etc. | |
3.Building materials industry: Cement kiln,Glass kiln,Tunnel kiln,Ceramic kiln,Lime kilns,Kiln car,etc. | |
4. Energy & Incineration: Coke oven,General boiler,Circulating fluidized bed boiler,Electric furnace,Waste incinerators,etc. | |
5. Civilian field : Domestic fireplaces, Pizza Oven and outdoor ovens. | |
6. Others: Petrochemical industry furnace. |
