Refractory insulation board is a crucial material in high temperature industries. These boards have a good design that resists extreme heat while providing effective insulation. Kerui has offered standard and customized boards to 30+ countries.
- Classification Temperature: 1100/1260/1260/1360/1430°C;
- Al2O3: 39-55%;
- Bulk Density: 260-320g/cm³;
- Heat Conductivity Coefficient: 0.09-0.22W/(m·k);
- Permanent Liner Change: ≤4.0%;
- Length: 600-1200m (customizable);
- Width: 400/ 500/ 600/ 1000/ 1200mm (customizable);
- Thickness: 3-100mm (customizable);
- Shipment: 7-15 working days;
Basic Specifications of Refractory Insulation Board
Refractory insulation boards are a high-performance insulating material specifically engineered to endure extreme temperatures, often exceeding 1300°C (2372°F). Made from refractory ceramic fibers, alumina-silica materials, or other advanced composites.
| Item | Ordinary Type | Standard Type | High Purity Type | High Alumina Type | Zirconium Containing Type |
|---|---|---|---|---|---|
| Classification Temperature, ℃ | 1100 | 1260 | 1260 | 1360 | 1430 |
| Working Temperature, ℃ | <1000 | 1050 | 1100 | 1200 | 1350 |
| Bulk & Density, kg/m³ | 260-320 | ||||
| Permanent Liner Change, % | -4 (1000℃) | -3 (1000℃) | -3 (1000℃) | -3 (1250℃) | -3 (1350℃) |
| Heat Conductivity Coefficient, W/(m·k) (Bulk Density 128kg/m³) | 0.09 (400℃), 0.176 (800℃), 0.22 (1000℃) | ||||
| Strength of Extension, Mpa | 0.5 | ||||
| Al2O3, % | 44 | 46 | 46~49 | 52~55 | 39~40 |
| Al2O3+SiO2, % | 96 | 97 | 99 | 99 | - |
| Al2O3+SiO2+ZrO2, % | - | - | - | - | 99 |
| ZrO2, % | - | - | - | - | 15~17 |
| Fe2O3, % | <1.2 | <1.0 | 0.2 | 0.2 | 0.2 |
| Na2O+K2O, % | ≤0.5 | ≤0.5 | 0.2 | 0.2 | 0.2 |
| Size, mm | Length, Width Regular Size, Thickness 3-100mm, Customized Size | ||||
Key Features of Refractory Insulation Boards
- High-Temperature Resistance: Withstands extreme temperatures without degrading.
- Excellent Thermal Insulation: Minimizes heat transfer, saving energy and maintaining stable temperatures.
- Lightweight: Easy to handle and install.
- Chemical Resistance: Withstands harsh chemical environments.
- Durability: Offers a long service life with minimal maintenance.
- Excellent Mechanical Strength: Withstand thermal shocks, vibrations, and mechanical stress without cracking or degrading.
- Energy Efficiency: By reducing heat loss and improving thermal efficiency.
Applications of Refractory Insulation Boards
Refractory insulation boards are versatile and widely used across various industries. Some of the most common applications include:
Metallurgy
In the metallurgical industry, these boards are used to line furnaces, ladles, and tundishes, providing insulation and protecting equipment from extreme heat.
Ceramics and Glass Manufacturing
Ceramic fiber boards are essential in kilns and annealing ovens, where they help maintain consistent temperatures and improve product quality.
Petrochemical Industry
In refineries and chemical plants, these boards are used to insulate reactors, boilers, and pipelines, ensuring safe and efficient operations.
Power Generation
Power plants rely on Refractory Insulation Boards to insulate boilers, turbines, and exhaust systems, enhancing energy efficiency and reducing downtime.
General Industrial Applications
From foundries to incinerators, Refractory Insulation Boards are used in a wide range of industrial processes that require high-temperature insulation.
Kerui Refractory Insulation Boards Shipped to the Global Worlds
The recent shipment of Kerui refractory insulation boards to countries such as Germany, India, Brazil, and Japan. This highlights the growing international recognition of Kerui as a leader in high-performance thermal insulation solutions. These lightweight yet durable boards have become a preferred choice for industries requiring reliable and efficient thermal management in extreme environments. View some videos on Youtube.
Good Feedback from Customers
Why Choose Our Refractory Insulation Boards?
Kerui, as a ceramic fiber board supplier and manufacturer, prides itself on delivering top-quality refractory insulation boards that meet the highest industry standards. Here’s why our products stand out:
Superior Quality
Kerui boards are manufactured using advanced materials and technology. This ensures great performance and durability.
Customizable Solutions
Kerui understands that every application is unique. That’s why we offer customizable refractory insulation boards tailored to your specific requirements.
Competitive Pricing
High-quality insulation shouldn’t come at a premium. Kerui products offering good value for money are competitively priced.
Expert Support
Our team of experts is always available to provide guidance and support, helping you choose the right product for your needs and ensuring a seamless installation process.
Fast Delivery
We know that time is of the essence in industrial operations. That’s why we offer fast and reliable delivery services to keep your projects on track.
