Factory Supply Brown Corundum Brown Fused Alumina Sand Bfa For Polishing

FANCHUANG offers high-quality Brown Corundum (Brown Fused Alumina, BFA), a premium abrasive material produced through the high-temperature smelting of bauxite, anthracite, and iron filings in an electric arc furnace. With an Al₂O₃ content of 95%-97%, this robust material also contains trace amounts of Fe, Si, and Ti, ensuring exceptional durability and performance.

Key Features of FANCHUANG Brown Corundum

Superior Heat & Corrosion Resistance – Ideal for high-temperature applications in industries like steel, cement, glass, and chemical processing.

High Hardness & Excellent Grinding Efficiency – A preferred choice for abrasive tools and precision polishing.

Versatile Applications – Used in refractory materials, sandblasting, surface treatment, and precision grinding.

Available Models & Specifications

Section Sand (Grain Size for Bulk Applications)

0-1mm, 1-3mm, 3-5mm, 5-8mm – Suitable for heavy-duty grinding, refractory linings, and abrasive blasting.

Fine Powder (For Precision Finishing)

200#-0, 320/325#-0 – Perfect for fine surface treatment and polishing.

Grain Size Sand (F/P Series - Standard Abrasive Grading)

F/P: 12# to 220# (12#, 14#, 16#, 20#, 24#, 30#, 36#, 40#, 46#, 54#, 60#, 70#, 80#, 90#, 100#, 120#, 150#, 180#, 220#) – A full range for various industrial grinding needs.

Micro Powder (Ultra-Fine Polishing - W Series)

W63, W50, W40, W28, W20, W14, W10, W7, W5, W3.5 – Designed for ultra-smooth finishes in precision manufacturing.

JIS & EU Standards (High-Grade Finishing Abrasives)

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

EU (F-Grades): F230, F240, F280, F320, F360, F400, F500, F600, F800, F1000, F1200, F1500

Property	FANCHUANG BFA Specification
Raw Material	High-purity bauxite, anthracite, and iron filings
Crystal Form	Trigonal system (α-Al₂O₃ structure)
Color	Deep brown
Smelting Method	Tilting/Fixed furnace
True Density	≥3.9 g/cm³
Moh's Hardness	9.0
Melting Point	2250°C
Grade	First-grade
Chemical Index	Al₂O₃ ≥95%, SiO₂ ≤1.0%, Fe₂O₃ ≤0.15%, TiO₂ 2.2-2.8%

✔ Premium Raw Materials – Only high-grade bauxite (Al₂O₃ ≥85%) is selected for smelting, ensuring superior purity and performance from the source.

✔ Double Refining Process – Their brown corundum undergoes secondary refining, extending smelting by 3+ hours beyond industry standards for enhanced hardness and consistency.

✔ Precision Grading – Each batch is manually screened to guarantee uniform grain size and optimal abrasive efficiency.

✔ Advanced Purification – Equipped with 5-channel high-power magnetic separators, FANCHUANG aggressively removes iron & silicon impurities, delivering cleaner, more effective abrasives.

✔ Rigorous Quality Control – From production to packaging, every step is monitored by a dedicated QC team, ensuring reliability for industrial polishing, grinding, and surface treatment.

Refractory Solutions – High-grade brown corundum is a key component in manufacturing advanced refractory materials, including castables and firebricks, ensuring durability in extreme heat environments.

Sandblasting Excellence – Ideal for precision surface treatment on aluminum, copper, glass, and delicate molds, delivering efficient cleaning and texturing without compromising material integrity.

Precision Grinding & Polishing – A top choice for grinding optical glass, silicon wafers, lenses, and gemstones, offering superior hardness and consistent particle performance for flawless finishes.

Resin Bonded Abrasives – Engineered for optimal hardness and toughness, these abrasives provide long-lasting cutting edges, making them perfect for resin-bonded tools requiring sharpness and wear resistance.

Coated Abrasive Base – As the core material for sandpaper and abrasive cloth, brown corundum ensures high adhesion and uniform grit distribution for smooth sanding and polishing operations.

Wear-Resistant Fillers – Used in automotive brake systems, specialty tires, and industrial flooring, it enhances durability and friction performance in high-stress applications.

Filtration & Drilling Aid – Acts as an effective filter medium for water purification and ore processing, while also serving as a weighting agent in oil drilling mud for improved stability.

Hydro-Abrasive Cutting – A critical cutting medium in high-pressure water jet systems, enabling precise slicing of steel pipelines and thick metal components with minimal waste.

 

Q: Who are we?
A: FANCHUANG is a leading manufacturer and supplier of high-quality abrasive products based in Zhengzhou, China. Specializing in R&D, production, and global distribution, FANCHUANG ensures all products meet international standards, catering to diverse industrial needs worldwide.

Q: Does FANCHUANG provide customized solutions?
A: Absolutely! FANCHUANG offers tailored products and packaging as per customer specifications. Just share your requirements, and they'll handle the rest.

Q: Are free samples available for testing?
A: Yes, FANCHUANG provides free samples for quality checks. However, customers typically cover the shipping charges.

Q: How soon can samples be delivered?
A: Samples are usually ready within 1-3 working days. Fast and efficient!

Q: How does FANCHUANG ensure product quality?
A: FANCHUANG follows strict quality control procedures at every production stage, guaranteeing durable and reliable abrasive products.

Q: What payment methods does FANCHUANG accept?
A: Flexible options like T/T, L/C, PayPal, and Western Union are available. Other methods can also be discussed.

Q: Which port does FANCHUANG use for shipments?
A: Mainly Qingdao Port, but other ports can be arranged upon request for smoother logistics.

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