Industrial-grade high-alumina refractory bricks with an alumina content of over 48% offer superior high-temperature resistance and thermal shock resistance. ISO9001 certified for export and suitable for custom production in the steel, power, and petrochemical industries.

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ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED
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Product Parameters
TechnicalSpecifications
Material: High Alumina Refractory Brick
AluminaContent: ≥ 48%
MaximumServiceTemperature: 1600°C
ThermalConductivity: Up to 1.5 W/m·K
BulkDensity: 2.7 - 3.0 g/cm³
ApparentPorosity: ≤ 23%
CompressiveStrength: ≥ 50 MPa
ModulusOfRupture: ≥ 10 MPa
ThermalExpansionCoefficient: 4.5 x 10^-6 /°C
Lifespan: ≥ 5 years
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Certifications
ISO9001: Yes
CE: Yes
ManufacturingDetails
ProductionProcess: Advanced manufacturing technology with stringent quality control
Customization: Available for specific industrial needs
Applications
Industry: ["Power generation","Steel manufacturing","Petrochemical processing","Cement production","Glass industry"]
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Product Details
Product Introduction
As a national high-tech enterprise, Zhengzhou Rongsheng Kiln Refractory Materials Co., Ltd. specializes in the research and development and manufacturing of high-performance high-alumina refractory bricks. The alumina content of its products is stably above 48%, and it has excellent thermal stability and thermal shock resistance. It can operate safely and for a long time in high-temperature environments above 1600°C. Using an automated intelligent production line and a strict quality control system, each batch passes ISO9001 and CE international certification to ensure product consistency and reliability. The company can provide personalized formula optimization and structural design services to customers around the world. It is widely used in high-temperature working conditions such as steel, electricity, and petrochemicals, effectively extending the life of kilns, reducing energy consumption, and improving operating efficiency. With more than ten years of engineering experience and a professional construction team, Rongsheng not only provides high-quality refractory bricks, but also provides supporting installation guidance and technical services to help customers achieve efficient, energy-saving and stable operation of high-temperature equipment. The products are exported to more than 70 countries and regions including Europe, America, Southeast Asia, and the Middle East, and are deeply trusted by overseas customers.
Advantages and features
1. The alumina content is stable ≥48%, with excellent high temperature resistance, suitable for extreme working conditions above 1600℃.
2. Strong thermal shock resistance, reducing the risk of cracking caused by sudden temperature changes and extending the service life of the kiln.
3. Automated production + ISO9001/CE certification, quality control, meeting international export standards.
4. Support customized design, optimize formula and size according to different industry working conditions, and adapt to diverse needs.
5. Provide full-process technical support and construction guidance to ensure installation quality and operational efficiency.
Application Scenario
It is suitable for high-temperature kiln linings in industries such as steel metallurgy, thermal power generation, petrochemicals, cement and building materials, such as heating furnaces, rotary kilns, boiler furnaces, etc.; it is aimed at the global market and is particularly suitable for engineering project customers and buyers who have high requirements for the quality, stability and certification of refractory materials.
Corporate Information
ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED
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Address
Litang Industrial District, Xinmi, Henan, China.
Advisory Message
Product Specifications
Alumina Content
48% 50% 60% 70%
Size Options
230x114x65 mm 300x200x100 mm 400x300x200 mm custom sizes available
Thermal Conductivity
0.5 - 1.0 W/mK 1.0 - 1.5 W/mK
Compressive Strength
≥ 30 MPa ≥ 40 MPa ≥ 50 MPa
Bulk Density
2.60 g/cm³ 2.75 g/cm³ 2.90 g/cm³
Max Service Temperature
1400°C 1600°C 1750°C
Packaging Options
Standard wooden pallets Customized packaging
Certification
ISO9001 CE Other applicable certifications
Color Options
White Light Grey Custom colors available
Customization
Shape customization Size customization Specific application requirements
Product Parameters
Product Details
Corporate Information
Service Guarantee
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