Qingdao Leadsun Refractory Co., Ltd
| Payment Terms | T/T,D/P,L/C,Western Union |
| Delivery Time | 10-15days |
| Packaging Details | pallet |
| Supply Ability | 100tons/month |
| Size | 230*114*65mm 230*114*75mm |
| Gross Weight | 3.66-3.7kg/pcs |
| Refractoriness | 1300-1800C |
| Density | 2.1-2.7g/cm3 |
| Package | Pallet |
| Shape | Customizable |
| Al2O3 | 35-80% |
| Brand Name | Leadsun |
| Model Number | SK 34 |
| Certification | №:JCGZ202500104 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T,D/P,L/C,Western Union | Delivery Time | 10-15days |
| Packaging Details | pallet | Supply Ability | 100tons/month |
| Size | 230*114*65mm 230*114*75mm | Gross Weight | 3.66-3.7kg/pcs |
| Refractoriness | 1300-1800C | Density | 2.1-2.7g/cm3 |
| Package | Pallet | Shape | Customizable |
| Al2O3 | 35-80% | Brand Name | Leadsun |
| Model Number | SK 34 | Certification | №:JCGZ202500104 |
| Place of Origin | China | ||
| High Light | High Alumina Refractory Bricks ，Kiln Fired Brick Sk34 ，Customizable Kiln Fired Brick | ||
High Quality SK 34 Refractory Brick Alumina Content Refractoriness With More Sizes For Furnaces Kilns Ovens Chimney And Fire Industry
Refractory fire bricks are shaped refractory products manufactured through a specialized process. They are primarily composed of chamotte (calcined fireclay) or bauxite, blended with binding clay. After being formed under high pressure, the bricks are sintered at elevated temperatures to achieve structural integrity and stability.
Typically, the alumina (Al₂O₃) content in these bricks ranges from 30% to 90%, which directly influences their refractoriness—the ability to withstand high temperatures without softening or deforming. The refractoriness of fire bricks generally falls between 1580°C and 1850°C, classifying them as medium to high-temperature refractory materials.
In terms of performance, refractory fire bricks exhibit several key characteristics:
High-temperature resistance: They maintain structural strength and dimensional stability under prolonged exposure to extreme heat.
Corrosion resistance: They are highly resistant to chemical attack from slags, gases, and molten materials.
Wear resistance: They offer excellent durability against mechanical abrasion and erosion.
Thermal shock resistance: They can withstand rapid temperature changes without cracking or spalling.
These properties make refractory fire bricks an ideal lining material for various high-temperature industrial applications, including metallurgical furnaces, kilns, boilers, incinerators, and thermal processing equipment. Acting as a protective "armor" for industrial furnaces, they ensure operational safety, thermal efficiency, and extended service life under harsh working conditions.
In summary, with their reliable thermal stability, chemical inertness, and mechanical strength, refractory fire bricks play a critical role in high-temperature industries, serving as a fundamental material for the safe and efficient operation of thermal equipment.
|
Bulk Density g/cm3
|
2.1-2.15
|
|
Apparent Porosity %
|
19-23
|
|
Cold Crushing Strength MPa
|
≥35
|
|
Refractoriness ℃
|
≥1710°C
|
|
Softening temperature under load ℃
|
1370
|
|
-SiO2 %
|
55 |
|
-Al2O3 %
|
38-42%
|
|
-Fe2O3 %
|
2.8 |
Advantages:
Company Details
Business Type:
Distributor/Wholesaler,Exporter,Trading Company,Seller
Year Established:
2014
Total Annual:
3000000-5000000
Employee Number:
5~20
Ecer Certification：
Verified Supplier
Our products cover heavy & light shaped and unshaped refractories, and are widely used in power, steel & iron, non-ferrous, petrochemicals, building materials and other industries, and are exported to more than 30 countries and regions in Europe, America, Africa, Oceania, Southeast Asia... Our products cover heavy & light shaped and unshaped refractories, and are widely used in power, steel & iron, non-ferrous, petrochemicals, building materials and other industries, and are exported to more than 30 countries and regions in Europe, America, Africa, Oceania, Southeast Asia...
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