High Strength Fire Refractory Bricks with Thermal Shock Resistance
Designed as anchor bricks for high temperature furnace applications, these specialized refractory components provide secure mechanical attachment with unique anchoring features.
Product Overview
Alumina anchor bricks are engineered with high aluminum oxide content (typically 70-85%) and incorporate integrated hooks, lugs, or dovetail designs that interlock with furnace structures and insulating linings. The specialized anchoring system eliminates the need for separate metal anchors, reducing thermal conductivity points and preventing localized heat loss.
With high cold crushing strength (80-100 MPa) and excellent thermal shock resistance, alumina anchor bricks maintain structural integrity during rapid temperature changes while their low porosity (15-22%) minimizes heat transfer and improves overall furnace energy efficiency.
Key Advantages
The primary advantage lies in the innovative one-piece construction that combines structural support and refractory properties in a single unit. By eliminating traditional metal anchors, these bricks prevent galvanic corrosion and thermal expansion mismatches that commonly cause lining failures in high-temperature environments.
The ceramic-based anchoring system provides superior resistance to oxidation and chemical attack compared to metal fasteners, significantly extending service life. Their high alumina content ensures excellent resistance to slag penetration and chemical corrosion, while the integrated design reduces installation time and labor costs by up to 40% compared to traditional anchor systems.
Technical Specifications
| Brands |
CH-MG55 |
CH-MG66 |
| Al2O3% ≥ |
55 |
66 |
| Refractoriness (°C) |
1750 |
1770 |
| Bulk density (g/cm³) |
2.2 |
2.3 |
| Apparent porosity/% ≤ |
22 |
23 |
| CCS/MPa ≥ |
48 |
50 |
| Reheating linear change/℃(1450℃) |
0.5 |
0.4 |
| RUL (refractoriness under load) |
1460 |
1420 |
Applications
- Steel furnaces
- Ceramic tunnel kiln
- Iron making furnaces
- Glass kiln and cement kiln
Product Advantages
- High strength
- Thermal shock resistance
- Free construction guidance and 3D design
- Customized moulds according to different size requirements
Packaging and Delivery
The fire bricks are packaged on pallets or in wooden cartons according to customer requirements, ensuring protection from humidity. Standard package volume is 1.1×1.1×1.1m for convenient delivery. All packaging meets seaworthy standards. With ample inventory in our warehouse, we ensure fast delivery to customers.
Manufacturing Excellence
CH Refractories has specialized in fire bricks, castables, and ramming mass manufacturing for over 30 years. Our products are exported to numerous countries including Pakistan, Korea, Malaysia, Indonesia, Germany and more. With over 100 professional engineers, we ensure stable product quality and prioritize high quality and safety standards in all refractories.