| Customization: | Available |
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| Feature: | Long Time Materials |
| Refractoriness (℃): | 1580< Refractoriness< 1770 |
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Corundum Mullite Brick Introduce
Main material of corundum mullite brick is imported plate corundum, high pure fused corundum, adopt advanced superfine powder adding technology, it is made by the mixing material, drying, molding and burned in high temperature shuttle kiln.
Mullite brick has high refractoriness, which can reach above 1790ºC. The starting temperature of softening under load is 1600~1700ºC. The compressive strength at room temperature is 70~260MPa. Good thermal shock resistance. There are two types of sintered mullite bricks and fused mullite bricks. Sintered mullite brick is made of high alumina bauxite clinker as the main raw material, adding a small amount of clay or raw bauxite as a binder, and is made by molding and firing. Fused mullite bricks use high bauxite, industrial alumina and refractory clay as raw materials, add charcoal or coke fine particles as reducing agents, and use reduction electrofusion method to manufacture after molding. The crystallinity of fused mullite is larger than that of sintered mullite, and its thermal shock resistance is better than that of sintered products. Their high temperature performance is mainly determined by the alumina content and the homogeneity of the mullite phase and glass distribution.
Features of our refractory corundum brick
1.Low line expansion coefficients
2.Long service life
3.Great corrosion and erosion resistance
4.High bulk density
5.High compressive strength
6.Good thermal shock resistance
7. Good corrosion resistances to acids and alkali
Application of Corundum Mullite Brick
Refractory corundum brick is used as inner lining brick in decomposing furnaces for petroleum and chemical industry,as well as chemical fertilizer industry.
1.Metalluragy industry
2.Heat treatment furnace
3.Chemical industry
4.Steel,non-ferrous smelting furnace
5.Boiler and waste incinerator
6.Coke oven
7.Blast furnace
| ltem | High Pure and High Quality Fused Corundum Fire Brick |
Sintered Corundum Fire Brick | Mullite-Corundum Fire Brick |
| Al203 % | ≥99 | ≥90 | ≥80 |
| Si02 % | ≤0.2 | ≤8 | ≤18 |
| Fe203 % | ≤0.2 | ≤0.2 | ≤0.3 |
| Bulk Density g/cm3 | ≥3.2 | ≥3 | ≥2.8 |
| Apparent porosity % | ≤19 | ≤18 | ≤18 |
| Cold compressive strength MPa | ≤100 | ≥100 | ≥100 |
Our company is equipped with professional testing equipment to conduct technical testing in multiple processes from raw materials to finished products. We continuously strive to exceed our customers' expectations and always provide reliable products and excellent service.
Packaging : Packed by sea-worthy wooden pallet + shrink wrapped + carton For example, Standard size of Fireclay brick : 230x114x65mm Shipping : 384pcs/plt x 18plts in one 20 feet container.
Henan Yutai High Temperature New Material Technology Co., Ltd.
The company is a high-tech enterprise integrating scientific research, production, sales and service. It is committed to providing first-class solutions and services to the global high-temperature industry, including steel, aluminum, electricity, glass, kilns, non-ferrous metals, cement industries, etc.
The company has won widespread praise in domestic and foreign markets for its excellent product quality and after-sales service.
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