K26 Insulating Fire Brick by Xintai is a high-performance mullite insulation brick designed for high-temperature applications. With excellent thermal insulation properties and a classification temperature of up to 1430ºC (2600℉), it offers superior performance compared to ordinary insulation bricks. These bricks provide outstanding thermal shock resistance, high mechanical strength, and excellent corrosion resistance, making them ideal for use in a variety of high-temperature industrial processes. K26 bricks can be used directly in areas exposed to flames, providing superior thermal efficiency and long-lasting durability.
Technical Specifications
| Item | K26 Insulating Fire Brick |
|---|---|
| Brand | Xintai |
| Al₂O₃ Content | ≥51% |
| Bulk Density | 0.78–0.80 g/cm³ |
| Cold Crushing Strength | 1.3 MPa |
| Classification Temperature | 1430ºC (2600℉) |
| Thermal Expansion | 0.7% at 1000ºC |
| Thermal Conductivity | 0.27–0.33 W/(m·K) |
| Size | Customizable |
| Color | Light Yellow / Buff |
| Certification | ISO, CE, SGS |
| Sample | Free sample available worldwide |
Key Features
- Excellent Thermal Insulation: Reduces heat conduction, preventing heat loss and improving energy efficiency.
- High Refractoriness: Resists temperatures up to 1430ºC, withstanding continuous use in high-temperature environments.
- Thermal Shock Resistance: Withstands expansion and contraction under extreme temperature changes, minimizing the risk of cracking.
- Corrosion Resistance: Resistant to chemical corrosion, ensuring durability in harsh furnace environments.
- High Mechanical Strength: Can withstand pressure and maintain structural integrity in kilns and furnaces.
Typical Applications
- Casting furnaces: K26 Insulating Fire Bricks are ideal for lining casting furnaces, providing excellent thermal insulation to ensure uniform temperature distribution during the casting process.
- Forging furnaces: These bricks offer superior thermal protection and structural integrity, making them perfect for use in high-temperature forging furnaces where precision is crucial.
- Ceramic kilns: K26 bricks are widely used in ceramic kilns, effectively reducing heat loss and ensuring consistent firing temperatures for high-quality ceramic products.
- Electric kilns for industrial and amateur use: With their excellent insulation properties, K26 bricks are perfect for both industrial electric kilns and smaller, more affordable versions used by hobbyists and artists.
- Backup insulation for blast furnace linings: K26 bricks serve as effective backup insulation for blast furnace linings, reducing energy loss while maintaining optimal furnace temperature for long-term efficiency.
- Carbonization furnaces: These bricks help minimize heat loss and enhance the efficiency of carbonization furnaces, ensuring stable and reliable performance during carbonization processes.
- Heat transfer linings: K26 bricks are used as heat transfer linings in various high-temperature processes, providing superior insulation to maintain consistent temperature control.
- Analytical furnace linings: Ideal for analytical furnaces, K26 bricks ensure precise thermal management while preventing excessive heat loss, ensuring reliable results in high-temperature analysis.
Production Details
K26 Insulating Fire Bricks are produced from high-purity raw materials, ensuring exceptional thermal stability and insulation performance. Xintai uses an automated batching system to ensure precise mixing of the raw materials, and high-tonnage presses to achieve uniform density and precise dimensions. The bricks undergo a meticulous polishing process to remove imperfections and guarantee smooth finishes.
Packing and Shipping Details
- Packing: Securely packed in sturdy wooden crates or pallets to prevent damage during transportation.
- Shipping: Available globally with sea or air shipping options. Optimized for cost-efficiency.
- Lead Time: 7–15 days, depending on order size and customization.
Frequently Asked Questions (FAQ)
Q1: What makes K26 bricks different from regular insulation bricks?
K26 bricks can be used in direct contact with flames, unlike regular insulation bricks. They offer superior thermal insulation, strength, and thermal shock resistance, making them suitable for high-temperature applications.
Q2: Can I get custom sizes or shapes?
Yes, Xintai offers customization to meet the specific needs of your project. Custom sizes and shapes are available upon request.
Q3: Are these bricks suitable for high-temperature applications?
Yes, the K26 Insulating Fire Brick is classified for use at temperatures up to 1430ºC (2600℉), making it ideal for high-temperature furnace linings and other industrial applications.
Q4: How do I know if K26 bricks are right for my furnace?
If your furnace or kiln requires thermal insulation at high temperatures with resistance to thermal shock and chemical corrosion, K26 bricks are an excellent choice. They maintain stable performance under harsh conditions.
Q5: Can I get a sample before ordering?
Yes, Xintai provides free samples worldwide, allowing you to assess the quality and performance of our K26 insulation bricks before making a bulk order.
Q6: What are the shipping options for K26 bricks?
We offer both sea and air shipping options with global delivery. The best option is selected based on your location and requirements.
