High Alumina Refractory Ramming Mass

  • Brand: Xintai
  • Product Name: High Alumina Refractory Ramming Mass
  • Material Composition: High-Alumina Bauxite Clinker, Refractory Clay, and Binder
  • Al2O3 Content: 75% – 78%
  • SiO2 Content: 15% – 20%
  • Bulk Density: 2.6 – 2.65 g/cm³ (1100℃ × 3h)
  • Max. Service Temperature: 1500℃ – 1600℃
  • Cold Crushing Strength: 80 – 100 MPa (after firing at 1100℃ × 3h)
  • Cold Flexural Strength: 8 – 10 MPa (after firing at 1100℃ × 3h)
  • Permanent Linear Change: ≤ ±0.5% (after firing at 1100℃ × 24h)

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

ItemUnitHigh Alumina Refractory Ramming Mass
Al₂O₃ Content%≥ 75
SiO₂ Content%≤ 20
Bulk Densityg/cm³2.6 – 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°C1500 – 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.

Production Details of Refractory Castables In Xintai
Refractory Castables Used in Steel Ladles

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.

Packing Details of Refractory Castables
Packing and Shipping Details of Refractory Castables

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.

This ramming mass can withstand temperatures up to 1600°C.

The water addition for mixing is typically between 6.5% to 7.5%, depending on the specific application.

Yes, it has strong resistance to slag erosion, making it ideal for furnace linings.

Proper curing and controlled drying are essential to achieve optimal performance and long service life.

Please tell us your requirement by referring to the following aspects:

To provide you with an accurate quote and tailored solution, please specify your requirements based on the following aspects:

  1. Type of Refractory Products:
    What kind of refractory materials are you looking for? (e.g., fire bricks, castables, ceramic fiber, graphite products, etc.)

  2. Product Specifications:
    Please include detailed requirements such as size, quantity, working temperature, shape, etc.

  3. Application Industry:
    Which industry or application are you planning to use the refractory products in? (e.g., steel, cement, glass, non-ferrous, petrochemical, power plant, etc.)

Contact Us

    Please feel free to submit your inquiry using the form provided below, and we will provide you with a quote within 24 hours.

    Scroll to Top

    Contact Us

      Please feel free to submit your inquiry using the form provided below, and we will provide you with a quote within 24 hours.