Fire Clay Brick
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Payment
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Origin
China Mainland
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Minimum Order
1
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Packing
Pieces
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- Description
Product Detail
Fire Clay Brick
1. Good resistance to corrosion and abrasion.
2. Good thermal shock resistance.
3. Good spelling resistance.
4. High mechanical strength.
5. Good volume stability.
Description
Fire clay brick is 50% soft clay and 50% hard clay clinker, according to a certain size requirements for ingredients, the molding, drying, in 1300 ~ 1400 ? high temperature firing. Fire clay brick is a weak acid refractory products, resistant to acidic slag and acid gas erosion. Clay brick thermal performance is good, resistant to hot and cold.
Applications
1.Steel furnaces.
2.Iron making furnaces.
3.Glass kiln.
4.Ceramic tunnel kiln.
5.Cement kiln.
Physical and chemical index
Item | Fire clay brick | |||
SK-30 | SK-32 | SK-34 | SK-35 | |
AL2O3% (=) | 30 | 35 | 38 | 45 |
Fe2O3% (=) | 2.5 | 2.5 | 2 | 2 |
Refractoriness(SK) | 30 | 32 | 34 | 35 |
Refractoriness under load, 0.2MPa, °C (=) | 1250 | 1300 | 1360 | 1420 |
Apparent porosity (%) | 22-26 | 20-24 | 20-22 | 18-20 |
Bulk density (g/cm3) | 1.9-2.0 | 1.95-2.1 | 2.1-2.2 | 2.15-2.22 |
Cold crushing strength ,MPa (=) | 20 | 25 | 30 | 40 |
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