Brown Fused Aluminum Oxide

Brown Fused Aluminum Oxide (BFAO) is produced by smelting high-quality bauxite along with anthracite and iron filings in an electric arc furnace at extremely high temperatures. The primary chemical component of Brown Fused Aluminum Oxide is Al₂O₃, typically ranging between 95% and 97%. It also contains trace amounts of elements such as Fe, Si, and Ti.

Known for its excellent thermal stability and resistance to corrosion, Brown Fused Aluminum Oxide is widely used across various industries-including steel, cement, and glass manufacturing-for applications involving high-temperature equipment. It remains an essential high-grade refractory material in the chemical industry thanks to its durability under extreme conditions. Additionally, due to its superior hardness and abrasive properties, it serves as a critical raw material in the production of grinding and blasting products within the manufacturing sector.

Common product classifications:

Section Sand: 0–1mm, 1–3mm, 3–5mm, 5–8mm

Fine Powder: 200#-0, 320/325-0

Grain Size Sand (F/P): 12#, 14#, 16#, 20#, 24#, 30#, 36#, 40#, 46#, 54#, 60#, 70#, 80#, 90#, 100#, 120#, 150#, 180#, 220#

Micro Powder (W): W63, W50, W40, W28, W20, W14, W10, W7, W5, W3.5

JIS Standard: 240#, 280#, 320#, 400#, 500#, 600#, 700#, 800#, 1000#, 1200#, 1500#, 2000#, 2500#, 3000#

EU Standard: F230, F240, F280, F320, F360, F400, F500, F600, F800, F1000, F1200, F1500

PARAMETER OF BROWN FUSED ALUMINUM OXIDE

Raw Materials: High-purity bauxite, premium anthracite coal, and selected iron filings.

Crystal Structure: Trigonal crystal system.

Primary Composition: α-Al₂O₃ (Alpha Aluminum Oxide).

Color: Dark brown to metallic brown.

Smelting Process: Produced using tilting or fixed electric arc furnaces.

True Density: ≥3.9 g/cm³.

Hardness (Moh's Scale): 9.0.

Melting Point: Approximately 2250°C.

Product Grade: First Grade / Premium Quality.

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CHEMICAL COMPOSITION

Al₂O₃: ≥95%

SiO₂: ≤1.0%

Fe₂O₃: ≤0.15%

TiO₂: 2.2–2.8%

Brown Fused Aluminum Oxide (BFAO) is known as the "teeth of industry" for its exceptional hardness and versatility. It is widely used across multiple sectors in Vietnam, including refractory production, surface treatment, precision grinding, and industrial manufacturing. Below are key applications:

Refractory Products – BFAO is essential in producing high-performance refractory materials, including castables and refractory bricks, offering excellent thermal stability and resistance to extreme conditions.

Surface Blasting – Ideal for blasting surfaces such as aluminum, copper, glass, and precision molds. It ensures efficient cleaning and texturing without causing damage to the substrate.

Precision Grinding – Used in grinding applications for CRT screens, optical lenses, watch glass, monocrystalline silicon, crystal, and jade. It delivers high-precision finishing with consistent results.

Resin Bonded Abrasives – Offers outstanding hardness, toughness, and grain structure, making it suitable for resin-based grinding tools that require long-lasting cutting edges.

Coated Abrasives – Serves as a key raw material in the production of abrasive tools such as sandpaper and abrasive cloths.

Industrial Fillers – Used as a functional filler in automotive brake components, specialty tires, industrial flooring, runway surfaces, ports, parking structures, and sports facilities for enhanced durability and wear resistance.

Filtration Media – Employed as a filtering medium in water treatment systems for purifying drinking water and wastewater. Also used in non-ferrous mineral processing and as a weighting agent in oil drilling mud.

Hydro-Cutting – Acts as an abrasive cutting medium in high-pressure water jet systems. It is effective in cutting steel, oil pipelines, and other metal components with precision.

 

Q: What does your company do?
We are ZHENGZHUO FANCHUANG SCIENCE AND TECHNOLOGY CO., LTD, a trusted manufacturer and supplier of high-quality abrasive products. Based in Zhengzhou, Henan, China, we focus on developing, producing, and distributing grinding and polishing materials that meet strict international standards. Our products are widely used and trusted across global markets.

Q: Do you offer customized products?
Absolutely. We work closely with customers to create customized abrasive solutions and tailored packaging based on specific needs. Just let us know your requirements.

Q: Can I request samples for testing?
Yes, we provide free samples so you can evaluate quality firsthand. Customers are generally responsible for shipping costs.

Q: How soon can samples be delivered?
You can expect to receive samples within 1–3 business days after request.

Q: How do you maintain product quality?
Quality is at the core of what we do. We implement strict quality control procedures at every stage-from material selection to production and final inspection.

Q: What payment methods do you accept?
We offer flexible payment options including T/T, L/C, PayPal, and Western Union. Other arrangements can be discussed based on your preference.

Q: Which shipping port do you use?
We most frequently ship from Qingdao Port for its efficiency and connectivity. However, we can also ship from other ports upon request to better serve your logistics needs.

 

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