Fire Clay Brick
Name: | Fire Clay Brick |
---|
Refractoriness ≥ ℃: 1650
Al2O3 %: 30-45
Bulk density g/cm³: 1.90-2.22
Cold crushing strength MPa: 20-40
Product Description
Product Description
Introduction
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.
Performance
It is mainly used for carbon furnace, baking furnace, heating boiler, glass furnace, cement kiln,fertilizer gasification furnace, blast furnace, the hot blast stove, coking furnace, furnace, casting and casting steel brick, etc.
Application
Steel furnaces, iron making furnaces, glass kiln, ceramic tunnel kiln, cement kiln.
Physical and Chemical Index
Item/Grade |
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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