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Henan Rongsheng Xinwei New Materials Research Institute Co., Ltd
High Quality Industrial Refractory Material Manufacturer And Supplier
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Rongsheng Factory High Alumina Checker Refractory Bricks Suitable For Various High-Temperature Applications

Henan Rongsheng Xinwei New Materials Research Institute Co., Ltd
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Rongsheng Factory High Alumina Checker Refractory Bricks Suitable For Various High-Temperature Applications

Brand Name : Rongsheng Xinwei

Model Number : RS-48, RS-55, RS-65, RS-75, RS-80

Certification : ISO9001

Place of Origin : Zhengzhou, China

MOQ : 1 Ton

Price : 200-800 USD

Payment Terms : TT; L/C

Supply Ability : 2000 tons/month

Delivery Time : 20-30DAYS

Packaging Details : Packed on wooden pallets, with water-proof cover, and tightened with plastic/steel bandages

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Product Description of Rongsheng Factory High Alumina Checker Refractory Bricks Suitable For Various High-Temperature Applications

High Alumina Checker Refractory Bricks are a type of brick used in high-temperature industrial applications. They are made from a high alumina content material, typically above 48% alumina oxide (Al2O3), which gives them excellent properties for withstanding extreme heat and harsh environments.

Physical and Chemical Properties of High Alumina Checker Refractory Bricks
1.High Temperature Resistance: Can withstand temperatures up to 1750°C (3182°F).
2.Thermal Shock Resistance: Excellent ability to withstand rapid temperature changes without cracking.
3.Mechanical Strength: High compressive strength, making them durable under heavy loads.
4.Corrosion Resistance: Resistant to slag and chemical attack, especially from alkalis and acidic environments.
Prodcut Applications of High Alumina Checker Refractory Bricks
Blast Furnaces: Used in hot blast stoves to preheat air blown into the blast furnace.
Regenerative Furnaces: Utilized in the regenerator of glass furnaces to store heat.
Steel Industry: Employed in various high-temperature zones within steelmaking processes.
Cement Kilns: Applied in areas where high thermal efficiency and durability are required.
Rongsheng Factory High Alumina Checker Refractory Bricks Suitable For Various High-Temperature Applications
Product Specification of High Alumina Checker Refractory Bricks
High Alumina Checker Firebrick Physical and Chemical Index:
Item Properties
RS-80 RS-75 RS-65 RS-55 RS-48
Al2O3 (%) 80 ≥75 ≥65 ≥55 ≥48
Refractoriness (°C ) ≥1790 ≥1790 ≥1790 ≥1770 ≥1750
Bulk density (g/cm3) 2.65 2.5 2.45 2.4 2.3
Softening temperature under load (°C ) 1530 ≥1520 ≥1500 ≥1470 ≥1420
ReheatingLinear Change Rate (%) 1500°CX2H 0.1 0.1 0.1 0.1 0.1
1450°CX2H -0.4 -0.4 -0.4 -0.4 -0.4
Apparent porosity (%) 22 ≤23 ≤23 ≤22 ≤22
Cold crushing strength (Mpa) 55 ≥50 ≥45 ≥40 ≥35
Application steel furnace, glass furnace, sodium silicate furnace, ceramic shuttle kiln, cement rotary kiln, blast furnace, electric furnace, blast furnace and reverberatory furnace.
Manufacturing Process
Raw Material Selection: High-quality bauxite and other alumina-rich materials are chosen.
Mixing and Forming: Materials are mixed, shaped into the checker pattern, and pressed.
Drying and Firing: Formed bricks are dried and then fired at high temperatures to achieve sintering.
Quality Control: Rigorous testing for physical properties, chemical composition, and thermal behavior.
Product Advantages of Rongsheng High Alumina Checker Refractory Bricks
Energy Efficiency: The checker design enhances heat transfer, improving the efficiency of the furnaces.
Longevity: High durability and resistance to wear and tear result in a longer service life.
Reduced Maintenance Costs: Due to their robustness and resistance to degradation.
Environmentally Friendly: Can withstand harsh environments, reducing the need for frequent replacements and waste.
Comparison with Other Refractory Bricks
Versus Fireclay Bricks: Higher alumina content provides better high-temperature performance and slag resistance.
Versus Silica Bricks: More resistant to alkali attack and has better thermal shock resistance.
Versus Magnesia Bricks: Offers superior resistance to acidic slags, whereas magnesia bricks are better for basic slags.
Recent Developments
Advanced Manufacturing Techniques: Improved pressing and firing methods enhance brick consistency and performance.
Nanotechnology: Incorporation of nano-alumina particles to further improve thermal and mechanical properties.
Eco-friendly Materials: Development of bricks using sustainable raw materials and reducing environmental impact during manufacturing.
Installation and Maintenance
Installation: Requires precise alignment to ensure optimal performance. Typically installed by skilled professionals.
Maintenance: Regular inspections for cracks or damage, and timely repairs to extend service life.

Product Tags:

Rongsheng Factory Checker Refractory Bricks

      

High Temperature Checker Refractory Bricks

      

High Alumina Checker Refractory Bricks

      
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