High Alumina Refractory Ramming Mass is a high-performance, high-temperature resistant material designed for industrial furnace linings where durability and resistance to thermal shock and slag erosion are critical. Formulated with high-alumina bauxite clinker and refractory clay, this ramming mass is ideal for use in induction furnaces, soaking furnaces, and steel-making furnaces. With excellent mechanical strength and stability, it ensures a long service life in demanding thermal environments.
The product is easy to install through manual or mechanical beating, providing a reliable, cost-effective solution for high-temperature industrial applications.
Technical Specifications
| Item | Unit | High Alumina Refractory Ramming Mass |
|---|---|---|
| Al₂O₃ Content | % | ≥ 75 |
| SiO₂ Content | % | ≤ 20 |
| Bulk Density | g/cm³ | 2.6 – 2.65 |
| Compressive Strength (110℃ × 24h) | MPa | ≥ 80 |
| Compressive Strength (1100℃ × 3h) | MPa | ≥ 100 |
| Flexural Strength (110℃ × 24h) | MPa | ≥ 8 |
| Flexural Strength (1100℃ × 3h) | MPa | ≥ 10 |
| Permanent Linear Change (1100℃) | % | ±0.5% |
| Max. Service Temperature | °C | 1500 – 1600 |
| Water Addition | % | 6.5 – 7.5 |
Key Features
High Alumina Content: Provides superior thermal resistance, making it ideal for high-temperature furnace linings.
Slag Erosion Resistance: Strong resistance to slag erosion for prolonged furnace life.
Thermal Shock Resistance: Excellent ability to withstand rapid temperature changes without cracking.
High Compressive Strength: Ensures structural integrity under extreme temperatures.
Low Permanent Linear Change: Maintains dimensional stability during high-temperature operations.
Easy to Install: Suitable for manual or mechanical installation, ensuring excellent workability and ease of application.
Max. Service Temperature: Can withstand service temperatures up to 1600°C.
Typical Applications
Steel Industry: Furnace linings, ladle linings, and soaking furnace applications.
Non-ferrous Metallurgy: Used in melting and holding furnaces.
Glass Industry: Glass furnace linings.
Cement and Lime Industry: Kilns and calcining furnaces.
Power Industry: Fluidized bed boilers and other high-temperature processing equipment.
Production Details
Raw Materials: High-grade alumina bauxite clinker, refractory clay, and high-purity additives.
Manufacturing Process: Strict quality control during batching, mixing, and curing ensures consistent product quality.
Quality Control: Rigorous chemical and physical testing to verify product performance at high temperatures.
Packing and Shipping Details
Standard Packing: 25 kg paper bags with moisture-proof inner lining.
Bulk Packing: Jumbo bags available upon request.
Palletizing: Wooden pallets with shrink wrapping for enhanced protection during transportation.
Shipping Methods: By sea, by truck, or by rail.
Delivery Form: Dry powder, ready for on-site mixing.
All products are securely packed to prevent moisture absorption and damage during transportation.
Frequently Asked Questions (FAQ)
Q1: What is the alumina content of High Alumina Refractory Ramming Mass?
The alumina content is typically 75% or higher, ensuring superior high-temperature resistance.
Q2: What is the maximum service temperature of this ramming mass?
This ramming mass can withstand temperatures up to 1600°C.
Q3. How much water is needed for mixing?
The water addition for mixing is typically between 6.5% to 7.5%, depending on the specific application.
Q4: Can High Alumina Refractory Ramming Mass resist slag erosion?
Yes, it has strong resistance to slag erosion, making it ideal for furnace linings.
Q5: What curing and drying procedures are required?
Proper curing and controlled drying are essential to achieve optimal performance and long service life.



















