Refractoriness (℃): | 1770< Refractoriness< 2000 |
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Feature: | Long Time Materials |
Type: | Refractory Material |
Shape: | Brick |
Material: | Alumina Block |
Transport Package: | on Fumigated Wooden Pallets |
Samples: |
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Customization: |
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Fireclay Refractory brick for blast furnace is used in the part of throat, stack, hearth, bottom for a small blast furnace and the stack for a big blast furnace. NRCL manufactuer a compelete ranges fireclay bricks for blast furnaces.
Items | Fireclay brick HHD-42(wall brick) | |
Al2O3 % ≥ | 42 | |
Fe2O3 % ≤ | 2.5 | |
Bulk density g/cm3 ≥ | 2.15 | |
Apparent porosity % ≤ | 22 | |
Cold crushing strength Mpa ≥ | 35 | |
Permanent linear change 1400ºC 4hr % | -0.2 to 0.2 | |
Creep rate 1250ºC 20-50hr/ 0.2Mpa % ≤ | 0.2 | |
Refractoriness under load 0.2Mpa ≥ | 0.5% | 1300 |
2.0% | 1390 | |
5.0% | 1450 |
Our total annual production capacity is about 100,000 tons of dense-shaped refractory product, and 100,000 tons of monolithic refractory product.
We have three tunnel kilns for silicon-aluminum dense bricks and one new plant for the monolithic refractory.
We're sure our custom-made products and professional services will bring you a stable quality supply and more profit.
Our Laboratory and R&D Center
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