Al2O3 Reactive Alumina Powder With Tailored Particle Size For High Performance Refractories
Product Description:
Reactive Alumina is an essential raw material for manufacturing high-performance refractories, including ladle castables, iron runner castables, purging plugs, seating blocks, corundum self-flowing castables, and protective spray coatings. Featuring high alpha-phase purity, tailored particle sizing, and superior sintering reactivity, it optimizes matrix packing density while reducing mixing liquid requirements.
In high-temperature steelmaking and metallurgical processes, Reactive Alumina significantly improves cold/hot mechanical strength, thermal shock stability, abrasion resistance, and molten slag erosion resistance. By eliminating micro-voids between aggregate grains, it enhances overall structural integrity, leading to extended refractory service life, reduced maintenance downtime, and optimized operational efficiency under extreme industrial conditions.
Technical Parameters:
| Features/Methods | Unit | HA500 Typical | HA500 Min | HA500 Max |
|---|---|---|---|---|
| Na₂O | % | 0.08 | 0.10 | |
| Fe₂O₃ | % | 0.02 | 0.03 | |
| MgO | % | 0.07 | 0.05 | 0.10 |
| SiO₂ | % | 0.03 | 0.07 | |
| CaO | % | 0.02 | 0.03 | |
| Surface area/BET | m²/g | 7.5 | 6.5 | 8.5 |
| D50 Cilas | μm | 0.5 | 0.3 | 0.6 |
| D90 Cilas | μm | 2.0 | 3.0 | |
| Particle distribution | / | singlet |
Applications:
HUAO Reactive Alumina is engineered as a high-performance matrix component for advanced unshaped refractories and technical ceramic applications. It serves as an essential raw material in manufacturing steel ladle castables, blast furnace iron runner/trough materials, gas-permeable purging plugs, seating blocks, corundum self-flowing castables, and gunning mixes or protective spray coatings.
By occupying interparticle micro-voids, it drastically optimizes particle packing density, lowers mixing water requirements, and accelerates solid-state sintering reactivity at elevated temperatures. This significantly enhances cold and hot mechanical strength, thermal shock stability, and resistance to molten slag erosion and chemical attack in extreme metallurgical and high-temperature furnace operations.
Customization:
HUAO Reactive Alumina (Zibo, Shandong) is a premium raw material certified under ISO9001, ISO14001, and ISO45001 standards. Engineered for advanced refractories and technical ceramics, it features high alpha-phase purity, superior sintering reactivity, and tailored particle size distribution.Tailored particle sizes, custom blending, and flexible packaging options (25kg bags, 1,250kg bulk bags, or Jumbo BB bags) are fully available to match specific client specifications and production requirements.
FAQ:
Q1: What is the brand name of the Reactive Alumina product?
A1: The Reactive Alumina product is branded under the name HUAO.
Q2: Where is the Reactive Alumina manufactured?
A2: It is produced in Zibo, Shandong, China.
Q3: Does the Reactive Alumina product have any certifications?
A3: Yes, it is certified with ISO9001, ISO14001, and ISO45001 standards.
Q4: What are the packaging options available for the Reactive Alumina?
A4: The product is available in packaging of 25kgs, 1250kgs, Jumbo bags (BB), or as per customer's specific requirements.
Q5: What are the payment terms for purchasing the Reactive Alumina?
A5: Payment terms include 100% payment in advance or 30% TT in advance with the balance payment beforeee delivery.
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