Kerui Refractory offers a variety of SK fireclay bricks. We provide bricks with alumina content ranging from 30% to 70%. Our factory is equipped with advanced production facilities, strong production capacity, and customization capabilities. We are the first choice for various high-temperature industries.
- Al2O3: ≥30-70%;
- Bulk Density: 1.9-2.35g/cm³;
- Refractoriness Under Load: 1250-1480ºC;
- Cold Crushing Strength: 30-50MPa;
- Size: 230*114*65mm (standard)/And other sizes;
Free Sample Available to Any Country
High Working Temperature
Proper Thermal Stability
Proper Acid Resistance
Good Thermal Shock Resistance
Basic Parameters of SK Fireclay Bricks
| Item/Grade | SK-30 | SK-32 | SK-34 | SK-35 | SK-36 | SK-38 | |
|---|---|---|---|---|---|---|---|
| Al2O3, % | ≥ | 30 | 35 | 38 | 45 | 50-55 | 65-70 |
| Fe2O3, % | ≤ | 2.5 | 2.5 | 2 | 2 | 2.5 | 2.3 |
| Refractoriness (SK) | ≥ | 30 | 32 | 34 | 35 | 36 | 37 |
| Refractoriness underload, 0.2MPa, °C | ≥ | 1250 | 1300 | 1360 | 1420 | 1450 | 1480 |
| Apparent Porosity, % | ≤ | 22-26 | 20-24 | 20-22 | 18-20 | 22 | 20 |
| Bulk Density, g/cm³ | ≥ | 1.9-2.0 | 1.95-2.1 | 2.1-2.2 | 2.15-2.22 | 2.15-2.22 | 2.25-2.35 |
| Cold Crushing Strength, MPa | ≥ | 40 | 45 | 30 | 40 | 45 | 50 |
Note: We can also provide unconventional SK40.
Strict Production Process of SK Fireclay Bricks
- Production bases: Kerui’s factory is located in one of the largest production bases: Xinyi, Zhengzhou, Henan, China. We strictly control production quality to provide customers with higher quality and more stable performance refractory bricks.
- High-quality raw materials: High-grade bauxite and appropriate additives.
- Various production processes: Pressing, firing, and so on.
- Multiple advanced production equipment: Automatic precise batching equipment, 20 sets of 360-ton hydraulic presses, 2 high-temperature tunnel kilns of 168 meters, and so on.
Various Sizes Of SK Series Clay Refractory Bricks
The standard brick type provided by Kerui is straight, with dimensions of 230*110*25mm. Additionally, to meet the needs of various industries, we also offer a range of brick types, including various nozzle bricks, arch bricks, and so on.
Features Of SK Series Clay Refractory Bricks
- Excellent corrosion resistance and wear resistance;
- Good dimensional stability at high temperatures;
- Excellent thermal performance and acid resistance;
- High mechanical strength;
- Good thermal shock resistance;
- Good spalling resistance and chemical corrosion resistance;
- Relatively lower price compared to high-alumina bricks.
Applications of SK Fireclay Bricks
SK clay refractory bricks are suitable for various high-temperature industrial applications.
Note: Contact us to get the uses detials of fire clay bricks.
| Series | Applications |
|---|---|
| SK30 | SK30 brick is mainly used for linings in industrial furnaces that do not operate at very high temperatures, such as general heating furnaces, rotary kilns, boilers, and common kilns. SK30 bricks have relatively lower refractoriness and are suitable for applications where temperature requirements are not high. |
| SK32 | SK32 brick is used for furnace linings that require slightly higher temperatures, such as glass kilns, ceramic kilns, lime kilns, and others. SK32 bricks have slightly higher refractoriness than SK30, making them suitable for medium-temperature applications. |
| SK34 | SK34 brick is used in high-temperature kilns, such as steelmaking furnaces, aluminum alloy furnaces, and heat treatment furnaces in the petrochemical (boiler) industry. It is suitable for higher temperature applications and has good chemical corrosion resistance. |
| SK36 | SK36 brick is widely used in high-temperature equipment in the steel (blast furnace, electric furnace, ladle), petrochemical, glass, and cement industries, such as blast furnaces, hot blast stoves, and sintering furnaces. SK36 bricks have higher thermal shock resistance and refractoriness, making them suitable for higher temperatures and complex chemical environments. |
| SK38 | SK38 brick is used for furnace linings in extremely high-temperature and harsh environments, such as electric arc furnaces, high-temperature calcination kilns, and other specialized high-temperature equipment. SK38 bricks offer the highest refractoriness and chemical corrosion resistance, making them suitable for processes that require extremely high temperatures and extreme conditions. |
Fast Shipment of SK Fireclay Bricks
For packaging, Kerui factory uses international standards for product packaging and ships according to the date agreed upon with the customer.
- Packaging: Fumigated wooden pallets.
- Standard Quantity: One pallet can hold 500-600 standard bricks.
- Delivery Time: 15-35 days (for stock availability).
- Shipping: Kerui can assist you in planning the most cost-effective and fastest shipping route.
50+ Customers Chose Kerui
Kerui is Your Trusted Supplier
- OEM: Kerui is a company that integrates manufacturing and supply. We offer customers favorable factory prices.
- Solutions: We not only provide high-quality products but also offer suitable refractory solutions for our clients.
- Customized Products: We can customize molds to produce special-shaped bricks according to customer drawings.
- After-Sales Service: Based on customer needs, our technical experts can visit the site for technical guidance and installation support.Please see some news on Linkedin.