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SK30 SK32 SK34 SK36 Fire Clay Brick High Alumina Thermal Shock Resistant for Kiln Lining
| MOQ: | 500 pcs |
| Price: | 0.5usd - 0.7us |
| Standard Packaging: | Pallet |
| Delivery Period: | 10 - 15 days |
| Payment Method: | L/C,D/P,T/T,Western Union |
| Supply Capacity: | 2000 tons/month |
high alumina fire clay brick
,thermal shock resistant kiln brick
,fire clay brick for kiln lining
Our Fire Clay Brick series (SK30 to SK36) is manufactured from carefully selected flint clay with controlled low iron and alkali content, ensuring consistent quality and reliable performance across a wide spectrum of industrial thermal processes. With alumina (Al2O3) content ranging from 30% to 55% and refractoriness up to 1750°C, these bricks offer an optimal balance of thermal stability, mechanical strength, and affordability. They are the trusted standard for carbon bake furnaces, cement kilns, glass tanks, and countless other high-temperature equipment where proven performance and long service life are required.
Select the grade that best matches your temperature and performance requirements.
| Item | SK-30 | SK-32 | SK-34 | SK-36 |
|---|---|---|---|---|
| AL2O3 % (min) | 30-35% | 35-38% | 38-42% | 50-55% |
| Fe2O3% (max) | 3 | 3 | 2.8 | 2.5 |
| Refractoriness | ≥1670°C | ≥1690°C | ≥1710°C | ≥1750°C |
| Refractoriness under load, 0.2MPa, (°C) | ≥1270 | ≥1350 | ≥1350 | ≥1430 |
| Apparent porosity (%) | 20-24 | 20-24 | 19-23 | 18-22 |
| Bulk density (g/cm³) | 2.00-2.05 | 2.05-2.1 | 2.1-2.15 | 2.15-2.25 |
| Cold crushing strength (MPa) | ≥25 | ≥30 | ≥35 | ≥45 |
| Thermal expansion at 1000°C (%) | ≤0.6 | ≤0.55 | ≤0.55 | ≤0.4 |
- Excellent Thermal Stability: Withstands continuous high-temperature exposure with minimal deformation, ensuring structural integrity of furnace linings.
- Good Thermal Shock Resistance: Formulated to resist cracking and spalling under rapid temperature fluctuations, extending campaign life.
- Robust Mechanical Strength: High cold crushing strength (up to ≥45 MPa for SK36) provides durability against mechanical loads and abrasion.
- Chemical & Atmosphere Resistance: Performs reliably in reducing atmospheres and resists chemical attack from slags and gases, thanks to low iron and alkali content.
- Versatile & Economical: Suitable for a wide range of applications across industries, offering a cost-effective solution without compromising essential performance.
Our fire clay bricks are the go-to refractory choice for:
- Aluminium Industry: Carbon bake furnaces, holding furnaces.
- Cement & Lime: Preheat zones and cyclones of rotary kilns.
- Glass Industry: Insulation for glass tanks, regenerators.
- Iron & Steel: Blast furnaces, hot blast stoves, coke ovens, reheating furnaces.
- General Industry: Lime kilns, chimneys, suspended roofs, and various thermal equipment.
- Proven Reliability: Manufactured under strict quality control from high-purity raw materials, ensuring consistent performance.
- Application Versatility: Suitable for oxidizing or reducing atmospheres, backed by extensive technical data for each grade.
- Customizable Solutions: Available in a wide range of standard and special shapes to fit your specific furnace design.
- Global Trust: Exported to over 70 countries and regions, trusted by industries worldwide.
With decades of experience in refractory manufacturing, our fire clay bricks represent the perfect synergy of tradition and technology. They are not just bricks; they are the foundation of reliable, long-lasting thermal assets that protect your investment and optimize your operations.
