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Dense Corundum – The Ultimate High-Performance Fused Alumina

Views: 112     Author: SEP     Publish Time: 2025-10-28      Origin: DFA


What is Dense Corundum (Dense Fused Alumina)?

Dense Corundum, also known as Dense Fused Alumina (DFA), is a premium-grade fused aluminum oxide produced by melting high-purity alumina (Al₂O₃ ≥ 99%) in an electric arc furnace at temperatures above 2000°C. Through controlled cooling and precise crushing, it forms a high-density, low-porosity crystalline material with exceptional hardness and stability.

This process results in one of the strongest and most durable ceramic materials available for industrial use.


Key Properties & Advantages

High Density & Strength – Superior structural integrity under mechanical and thermal stress.
Excellent Thermal Shock Resistance – Maintains stability through extreme temperature changes.
Outstanding Chemical Inertness – Resists attack from slags, alkalis, and acids.
Low Porosity & High Purity – Ensures consistent performance and minimal contamination.
Exceptional Wear Resistance – Ideal for environments requiring long-term durability.


Main Applications of Dense Corundum

1. Refractory Industry
Used in high-performance refractory bricks, castables, and monolithic linings for steel, cement, and glass furnaces, providing superior heat resistance and structural strength.

2. Ceramics & Advanced Components
Applied in kiln furniture, crucibles, and technical ceramics where thermal stability and mechanical strength are essential.

3. Abrasives & Polishing Media
Dense Corundum is a perfect material for precision grinding, blasting, and polishing tools, offering consistent cutting performance and long service life.

4. Industrial & Anti-Slip Flooring
As a hard-wearing aggregate, it enhances the abrasion resistance and skid-proofing of heavy-duty flooring systems, ideal for factories, workshops, and public areas.


Why Choose Our Dense Corundum?

Our Dense Fused Alumina is produced using advanced fusion technology and strict quality control to ensure:

  • Uniform crystal structure and high bulk density

  • Stable chemical composition

  • Tight particle size distribution

  • Excellent thermal and mechanical performance

We provide customized grades and particle sizes tailored to your specific industrial requirements — whether for refractory production, ceramic manufacturing, or flooring applications.


Dense Corundum



Partner with Us for Better Performance

At SEPPE Technologies, we are committed to supplying premium-quality Dense Corundum to customers worldwide. With years of expertise in alumina materials and refractory solutions, we help our partners improve durability, reduce downtime, and achieve long-term value.

Contact us today to learn more about our Dense Corundum products or request a sample for testing.
Let Dense Corundum bring stronger performance to your materials and your business.


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