SK32 SK34 SK36 Brick is a fire clay refractory brick with good thermal stability, mechanical strength, and high-temperature resistance for industrial furnace applications.
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SK32 SK34 SK36 Brick is a standard fire clay refractory brick manufactured from high-quality refractory clay materials. It provides good resistance to high temperatures, thermal shock, and mechanical stress, making it suitable for various industrial furnace linings.
SK series fire bricks are available in different grades, including SK32, SK34, and SK36, with different alumina content and service temperature capabilities. They are widely used for hot face linings, backup linings, and general refractory applications.
Standard sizes and customized shapes are available according to customer requirements.
| Item | SK-30 | SK-32 | SK-34 | SK-35 | SK-36 | SK-37 | SK-38 | SK-40 |
| AL203 % (≥) | 30 | 35 | 38 | 45 | 55 | 65 | 70 | 82 |
| Fe203 % (≤) | 2.5 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 |
| Softening temperature under load, 0.2MPa, C (>) | 1250 | 1350 | 1370 | 1420 | 1450 | 1480 | 1530 | 1600 |
| Porosity(%) | 22-26 | 20-24 | 20-22 | 18-20 | 20-23 | 20-23 | 20-22 | 18-20 |
| Density (g/cm³) | 1.9-2.0 | 1.95-2.1 | 2.1-2.2 | 2.15-2.22 | 2.25-24 | 2.3-2.5 | 2.4-2.6 | 2.5-2.7 |
| Normal temperature compressive strength, MPa (≥) | 20 | 25 | 30 | 40 | 45 | 50 | 60 | 70 |
SK32 SK34 SK36 Bricks are widely used in:
Comprehensive Refractory Product Range
We manufacture 3 main types of refractory materials — refractory castables, high alumina cement, and refractory bricks — covering 100+ industrial furnace types worldwide.
Certified Quality and International Standards Compliance
All batches undergo strict quality control. Products comply with ISO, ASTM, and GB standards, ensuring reliable performance in high-temperature industrial applications.
Annual Production Capacity of 130,000 Tons
With a large-scale capacity of 130,000 tons per year, we guarantee stable supply and on-time delivery for long-term and large-volume projects.
Exported to 120+ Countries and 1,000+ Projects
Our products have been successfully delivered to over 120 countries, supporting more than 1,000 industrial projects, including cement, steel, incineration, glass, and petrochemical furnaces.
20+ Years of Experience in Refractory Manufacturing
With over 20 years of experience, we understand real furnace conditions and deliver materials proven in long-term industrial operations worldwide.
Professional Technical Support and Free Samples
We provide technical assistance from material selection to installation guidance, with free samples available for testing and supporting 1,000+ projects globally.
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