Qingdao Leadsun Refractory Co., Ltd
| Packaging Details | pallet |
| Cold Crushing Strength | 1.0 - 5.0 MPa |
| Supply Ability | 1000 tons/month |
| Max Service Temperature | 900°C - 1,260°C |
| Delivery Time | 10-15 days |
| Payment Terms | L/C,D/P,T/T |
| Al₂O₃ Content | 25% - 48% |
| Fe₂O₃ Content | ≤ 2.5% |
| Bulk Density | 0.5 - 1.2 g/cm³ |
| Thermal Conductivity | 0.18 - 0.65 W/m*K |
| Certification | ISO CE |
| Place of Origin | China |
| Brand Name | LEADSUN |
| Model Number | B1 B2 |
View Detail Information
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Product Specification
| Packaging Details | pallet | Cold Crushing Strength | 1.0 - 5.0 MPa |
| Supply Ability | 1000 tons/month | Max Service Temperature | 900°C - 1,260°C |
| Delivery Time | 10-15 days | Payment Terms | L/C,D/P,T/T |
| Al₂O₃ Content | 25% - 48% | Fe₂O₃ Content | ≤ 2.5% |
| Bulk Density | 0.5 - 1.2 g/cm³ | Thermal Conductivity | 0.18 - 0.65 W/m*K |
| Certification | ISO CE | Place of Origin | China |
| Brand Name | LEADSUN | Model Number | B1 B2 |
| High Light | lightweight fire clay insulation bricks ，low thermal conductivity kiln lining ，energy-efficient fire clay bricks | ||
Fire clay insulation bricks are lightweight refractory materials engineered from high-purity fire clay combined with insulating aggregates. These bricks feature a high-porosity structure (40%–70%) that effectively traps air, delivering superior thermal insulation while maintaining mechanical integrity at elevated temperatures.
With alumina (Al₂O₃) content typically ranging from 25% to 48% and bulk density between 0.5–1.2 g/cm³, these bricks offer an optimal balance of thermal efficiency and structural strength. Their low thermal conductivity (0.18–0.65 W/m·K at 350°C) significantly reduces heat loss and energy consumption in industrial thermal systems.
| Category | Key Performance Characteristics |
|---|---|
| Al₂O₃ Content | 25% – 48% |
| Fe₂O₃ Content | ≤ 2.5% |
| Bulk Density | 0.5 – 1.2 g/cm³ |
| Cold Crushing Strength | 1.0 – 5.0 MPa |
| Max Service Temperature | 900°C – 1,260°C |
| Thermal Conductivity (350°C) | 0.18 – 0.65 W/m·K |
Q1:Do you offer samples?
A: Please ask us. We may send a small sample piece so you can check the quality and size.
Q2: What if some bricks arrive broken?
A:Take photos of the broken bricks and the packing. Contact us within 48 hours. We will arrange a replacement or refund.
Q3: Can you provide customized shapes?
A: Yes, we provide vacuum-formed custom shapes, blocks, and modules based on your CAD drawings to ensure a perfect fit for your equipment.
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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