K28 insulation fire brick is lightweight and insulates well. It is used in high-temperature applications to keep heat inside. Kerui Refractory offers high-performance bricks at factory prices, including customized bricks.
Parameter Data of Kerui K28 Insulation Fire Brick
K28 insulation brick is a lightweight refractory brick made from high-quality materials, including alumina, silica, and other insulating additives. See its main parameters.
| Item/Grade | KR-28 | ||
|---|---|---|---|
| Type | A | B | C |
| Al2O3, % | ≥64 | ≥65 | ≥66 |
| Fe2O3, % | ≤0.75 | ≤0.65 | ≤0.65 |
| Bulk Density, g/cm³ | 0.8 | 0.9 | 1.0 |
| Reheating Linear Change, % | ≤-1 | ≤-0.8 | ≤-0.7 |
| Temperature*12h | 1500℃ | ||
| Cold Crushing Strength, MPa | ≥2.3 | ≥2.8 | ≥3.3 |
| Thermal Conductivity 350℃, W/(m·K) | 0.28 | 0.32 | 0.34 |
Advantages of K28 Insulation Refractory Brick
- Excellent Insulation Performance: K28 bricks have low thermal conductivity to reduce heat loss and improving energy efficiency.
- Lightweight Design: Their low density makes them easy to handle and install to reduce labor costs.
- High-Temperature Resistance: K28 bricks can withstand temperatures up to 1400°C (2552°F), making them ideal for high-heat applications.
- Easy to Cut and Shape: These bricks can be easily cut or shaped to fit specific requirements to ensure precise installation.
- Cost-Effective: Compared to other insulation bricks, K28 offers a perfect balance of performance and affordability.
Applications of K28 Brick
Various industries and applications use K28 insulation fire bricks:
- Steel Industry: ladle furnaces, reheating furnaces, annealing furnaces, tundishes, blast furnace hot stoves, etc.
- Ceramic Industry: Tunnel kilns, roller kilns, shuttle kilns, saggers and kiln furniture, etc.
- Glass Industry: Glass melting kilns, etc.
- Power Industry: Boilers, etc.
- Petrochemical Industry: Insulation for reactors and cracking furnaces.
- Power Generation: Insulation for boilers and heat recovery systems.
Case Review of K28 Insulation Bricks Used in Steel Industry
A steel manufacturer in Egypt used K28 bricks to line their annealing furnace. The result was a 20% reduction in energy consumption and a 30% increase in furnace lifespan, thanks to the lightweight insulating fire bricks’ excellent insulation and durability.
Packaging and Transportation of K28 Insulation Fire Brick
- Packaging: K28 bricks are packed in wooden pallets to prevent damage during transit.
- Transportation: We use reliable logistics partners to ensure safe and timely delivery worldwide.
Why Choose Kerui Refractory?
- Own Factory with Advanced Production FacilitiesOwn factory ensures complete control over the production process, guaranteeing consistent quality and reliable performance.
- Factory-Direct PricesBy eliminating middlemen, Kerui offers competitive factory-direct prices.
- Strict Quality ControlEvery batch of K28 Insulation Bricks undergoes rigorous quality inspections. This ensures that only the highest-quality products reach our customers.
- Certifications ProvidedKerui’s products meet international standards and come with relevant certifications, such as ISO, SGS, and CE.
- Customization CapabilitiesWe understand that every project has unique requirements. Kerui offers customized solutions, tailoring the size, shape, and thermal properties of K28 bricks to perfectly fit your specific needs.
- Fast and Reliable DeliveryWith an efficient logistics network, Kerui ensures quick and secure delivery of K28 Insulation Bricks to your location.
- Comprehensive Technical SupportOur team of experts provides professional technical guidance, from product selection to installation and maintenance.
After-Sales Service
At Kerui Refractory, we are committed to customer satisfaction. Our after-sales services include:
- Technical Support: Expert guidance on installation and maintenance.
- Warranty: Quality assurance for all our products.
- Custom Solutions: Tailored products to meet specific requirements.
Conclusion
K28 insulation fire brick is a versatile and cost-effective solution for high-temperature insulation needs. With its excellent thermal performance, lightweight design, and durability, it is the ideal choice for industries projects alike. View more videos on YouTube.
