High performance, low thermal conductivity and energy-saving mullite refractory bricks for industrial furnaces

Contact us now to get a customized solution for high-performance, low-thermal-conductivity, energy-saving mullite bricks to improve the energy efficiency and durability of your high-temperature industrial furnaces!
ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED
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Product Parameters
Physical Properties
Color: Brown to Light Brown
Density: 2.60 - 2.75 g/cm³
Porosity: 15 - 20%
Thermal Conductivity: 0.30 - 0.40 W/(m·K) at 1000°C
Compressive Strength: 50 - 70 MPa at room temperature
Flexural Strength: 10 - 30 MPa at room temperature
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Thermal Properties
Max Service Temperature: 1750°C
Refractoriness: High (≥ 1750°C)
Thermal Expansion Coefficient: 5.0 - 6.5 × 10⁻⁶ /K (from 20°C to 1000°C)
Chemical Composition
Alumina (Al₂O₃): 60 - 70%
Silica (SiO₂): 25 - 35%
Iron Oxide (Fe₂O₃): ≤ 2.0%
Others: Trace amounts of impurities
Manufacturing Information
Production Process: Automated Pressing and Firing
Quality Certifications: ISO9001, ISO14001
Lead Time for Orders: 2 - 4 weeks depending on quantity
Applications
Industries: Glass, Ceramics, Electricity, Boiler
Common Uses: Furnace linings, Kiln furniture, Heat exchangers
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Product Details
Product Introduction
Zhengzhou Rongsheng Refractory Materials Co., Ltd., a national high-tech enterprise, specializes in the manufacture of low-thermal-conductivity, energy-saving mullite refractory bricks, which are particularly suitable for energy-saving renovations of high-temperature industrial furnaces. Advanced automated production lines and a strict ISO9001 quality management system ensure consistent product quality. This product exhibits excellent thermal stability and thermal shock stability, significantly reducing heat loss from the furnace body, extending the life of the equipment, and helping customers effectively reduce operating energy consumption and maintenance costs. Rongsheng mullite refractory bricks are widely used in a variety of high-temperature industrial fields, such as steel, non-ferrous metals, and electricity, and its products are exported to more than 70 countries and regions. The company focuses on technological innovation and personalized customization services to meet the diverse needs of different industrial furnaces. Choosing Rongsheng low-thermal-conductivity mullite refractory bricks means choosing a reliable, efficient, energy-saving, and environmentally friendly high-temperature refractory solution.
Advantages and features
1. Low thermal conductivity, effectively improving the energy saving effect of the furnace.
2. Excellent thermal shock stability, extending the service life of the furnace lining.
3. High mechanical strength to ensure the structural safety of industrial kilns.
4. Strictly implement ISO9001 quality management system to ensure stable product quality.
5. Customized production to meet different high temperature working conditions and specification requirements.
6. Strong adaptability, widely used in various high-temperature industrial fields.
7. From a national high-tech enterprise, with technical and service guarantees.
Application Scenario
Widely used in steel smelting, nonferrous metal smelting, high-temperature furnaces in the power industry, ceramic manufacturing, and other high-temperature industrial equipment. Suitable for industrial customers who need to reduce heat loss, improve energy efficiency, and enhance equipment stability, especially those seeking customized energy-saving refractory solutions.
Corporate Information
ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED
Service Guarantee
Address
Litang Industrial District, Xinmi, Henan, China.
Advisory Message
Product Specifications
Color
White Light Beige Brown
Dimensions
230x114x65 mm 250x125x75 mm 300x150x100 mm Customized Sizes
Density
2.5 g/cm³ 2.65 g/cm³ 2.75 g/cm³
CompressiveStrength
30 MPa 40 MPa 50 MPa
ThermalConductivity
1.5 W/m·K 2.0 W/m·K
Al2O3 Content
60% 70% 80%
ServiceTemperature
1500°C 1600°C 1750°C
PackagingOptions
Pallet packing Custom wooden crates
AdditionalFeatures
Low thermal expansion High resistance to thermal shock Customized formulations for specific applications
Product Parameters
Product Details
Corporate Information
Service Guarantee
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