Anchor refractory brick is a refractory material used to secure refractory materials and linings. Ronghua offers a wide range of high-quality bricks made from materials such as alumina, kaolin, silica, magnesia, and so on. As a direct manufacturer, we provide customers with high-quality, controllable products and solution guidance services.
- Refractoriness: 1750℃;
- Al2O3: ≥55-80%;
- Bulk Density: 2.15-2.8g/cm³;
- Refractoriness Under Load: 1450ºC;
- Size: Common/And Customizable sizes;
Free Sample Available to Any Country
High Working Temperature
Proper Thermal Stability
Proper Acid Resistance
Good Thermal Shock Resistance
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Parameters of Anchor Refractory Bricks
An anchor brick, also called a suspended refractory brick. It is shaped like a cylinder. It has circular grooves and a hole for a pin. The provided parameters highlight the key specifications of our clay and high-alumina anchor bricks. If your project has unique needs, please feel free to contact us.
In addition, we can provide matching anchoring devices, like refractory anchors.
Item/Grade | Fireclay Anchor Brick | High Alumina Anchor Brick | ||||||
---|---|---|---|---|---|---|---|---|
FB42-L | AL55 | AL60 | AL65 | AL75 | AL80 | AL85 | CBP80 | |
Al2O3 % | ≥42 | ≥55 | ≥60 | ≥65 | ≥75 | ≥80 | ≥85 | ≥80 |
Fe2O3 % | ≤2 | ≤2.0 | ≤2.0 | ≤1.5 | ≤1.5 | / | / | / |
Refractoriness/℃ | ≥1730 | ≥1790 | ≥1790 | ≥1790 | ≥1790 | ≥1810 | ≥1810 | ≥1810 |
Permanent Linear Change/% | 1350 ℃×2h | 1500 ℃×2h | 1500 ℃×2h | 1500 ℃×2h | 1500 ℃×2h | 1550 ℃×2h | 1550 ℃×2h | 1550 ℃×3h |
±0.2 | ±0.5 | ±0.5 | ±0.5 | ±0.5 | ±0.5 | ±0.5 | ±0.5 | |
Apparent Porosity/% | ≤23 | ≤24 | ≤23 | ≤23 | ≤23 | ≤22 | ≤20 | ≤18 |
Bulk Density (g/cm³) | ≥2.15 | ≥2.25 | ≥2.35 | ≥2.40 | ≥2.65 | ≥2.7 | ≥2.75 | ≥2.8 |
0.2MPa Refractoriness Underload/℃ | ≥1450 | ≥1450 | ≥1470 | ≥1480 | ≥1500 | ≥1500 | ≥1520 | ≥1450 |
Advantages of Ronghua Anchor Refractory Bricks
- Precise Dimensions: Ronghua produces anchor bricks to exact customer specifications.
- High Anchoring Strength: These bricks securely hold refractory castables in place within furnace linings, ensuring structural integrity and safety.
- High Temperature Resistance: Manufactured from premium refractory materials, our anchor bricks offer exceptional heat resistance.
- High Strength: Ronghua bricks boast high mechanical strength and abrasion resistance.
- Excellent Thermal Shock Resistance: These bricks maintain their performance even under rapid temperature fluctuations.
- Strong Corrosion Resistance: Our anchor bricks can withstand the corrosive effects of acids and alkalis.


Applications of Ronghua Anchor Fire Bricks
Anchor bricks are primarily used in furnace roofs, linings, and walls.
- Metallurgical Industry: The application of this brick is as furnace linings in equipment such as blast furnaces, converters, torpedo ladles, and electric furnaces.
- Power Industry: Its use is as furnace linings in boilers, heating furnaces, and other related equipment.
- Petrochemical Industry: Its application is as furnace linings in cracking furnaces, gasifiers, reactors, and other process equipment.
- Glass Industry: It is used in furnace linings for glass melting furnaces, sintering furnaces, and so on.
- Ceramics Industry: Used as furnace linings in kilns, heating furnaces, and other related equipment.






Inspection of Anchor Bricks
After completing the production of anchor bricks tailored to customer needs, Ronghua conducts comprehensive inspections on dimensions, surface finish, physical and chemical indicators.


Customization of Ronghua Anchor Firebricks
Anchor bricks typically come in rectangular or circular shapes. However, recognizing the unique requirements of many customers’ kilns, we offer custom-shaped refractory bricks according to specific drawings and process needs. The tailored design ensures a tight fit between the anchor bricks and the kiln lining, enhancing anchoring effectiveness.


Choose Ronghua for Getting Anchor Firebricks
- Source Factory Production: Providing high-quality anchor bricks at factory prices.
- Professional Business Manager: Offering expert advice and solutions.
- Production Quality Control: Highly automated production equipment and a comprehensive quality inspection system.
- Certificates: CE, ISO, and other patent certifications.
- Fast Delivery: Quick dispatch of stock products on time.
- After-Sales Service: Technical guidance and other after-sales support. View more videos on Ronghua Youtube.