Home > Products > fireclay brick > N-2b Fire Brick
N-2b Fire Brick
- 4500 Ton / Tons per Month
- Tianjin port; Qingdao port
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- Shandong supplier fiber reinforced calcium silicate board
- Placa de silicato de calcio 1000 * 500 * 50 mm
- High density thermal insulation material, high-temperature refractory lining
- High density calcium silicate board, carbon fiber, glass fiber
- High density non stick calcium aluminosilicate board
- Cement plant, power plant, aluminum plant, steel plant, chemical plant, metallurgical industry, thermal insulation board
Product Details
Brand Name: | JUNDAO | Place of Origin: | China | Model Number: | N-2b Fire Brick |
Shape: | Brick | Material: | Castable | Al2O3 Content (%): | 30%~48% |
Refractoriness (Degree): | Common (1580°< Refractoriness< 1770°) |
Product Description
Fireclay kiln bricks are one of the main varieties of aluminum silicate products. They are refractory products with 30% to 48% AL2O3 content made of clay clinker as aggregate and refractory soft clay as binding agent.
The properties of Fireclay FireProof bricks fluctuate within a wide range. This is due to the fact that the chemical composition of the products fluctuates in a very wide range (fluctuations in the AL2O3 content range from 30% to 48%) and the differences in production processes. The refractoriness fluctuates from 1580°C to 1700°C;
Fireclay Kiln bricks features:
★Have good thermal shock resistance,
★Large fluctuation range, generally more than 10 times (water cooling at 1100°C);
★Coefficient of linear expansion of clay products; average line expansion between 20°C and 1300°C The coefficient is (4.5-5.8)×10-6°C-1.
★The fireclay fireproof material is a weakly acidic refractory product and its acidity increases as the SiO2 content increases.
★It has a certain erosion resistance to the acid slag, and poor resistance to alkaline slag erosion. Therefore, fireclay fireproof products should be used as lining for acid slag furnaces.
Item | Index
| ||||
Fireclay Fireproof brick
| N-1 | N-2a | N-2b | N-3a | N-3b |
Al2O3% | 30%~48% | ||||
0.2Mpa refractoriness under load ℃ ≥ | 1400 | 1350 | / | 1320 | / |
Reheat linear change % | 1400℃X2h
| 1350℃X2h | |||
-0.4~0.1
| -0.5~0.1 | -0.5~0.2 | -0.5~0.2 | -0.5~0.2 | |
Apparent porosity % ≤
| 22 | 24 | 26 | 24 | 26 |
Cold crushing strength MPa ≥
| 50 | 45 | 45 | 40 | 40 |
Contact Us
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