Brown Fused Alumina First Grade/Second Grade

Sand Blasting Corundum Powder Brown Fused Alumina Bfa Aluminium Oxide
China Manufacturer Brown Fused Alumina for Blasting Material
High Purity Bfa Aluminium Brown Fused Alumina for Sandblasting and Grinding
Bfa Brown Fused Alumina Brown Aluminum Oxide Sand Blasting

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Product Introduction

Products Description

Brown Fused Alumina (First Grade & Second Grade) – Your Trusted Industrial Partner

At our core, we specialise in producing high-quality Brown Fused Alumina, a premier material crafted through the high-temperature smelting of carefully selected bauxite, anthracite, and iron filings in electric arc furnaces. I am proud to say that our product boasts a primary chemical composition of Al₂O₃, with a consistent content ranging between 95% and 97%, alongside minimal traces of elements such as Fe, Si, and Ti.

Why Choose Our Brown Fused Alumina?

Our Brown Fused Alumina is engineered for excellence, offering outstanding high-temperature resistance and remarkable corrosion resistance. These properties make it an indispensable choice for critical thermal equipment across major industries, including iron and steel manufacturing, cement production, and glassmaking. Furthermore, its role as a high-grade refractory material within the chemical sector remains truly unrivalled.

Beyond its thermal applications, this material is highly regarded for its superior hardness and exceptional grinding performance. It serves as a fundamental raw material for various abrasive products, playing a vital role in the manufacturing industry where precision and durability are paramount.

Our Product Range – Designed for Your Needs

We understand that different applications require specific specifications. That's why we offer a comprehensive range of Brown Fused Alumina to meet diverse industrial demands:

Section Sand: Ideal for robust applications, available in sizes 0-1mm, 1-3mm, 3-5mm, and 5-8mm.

Fine Powder: Perfect for finer finishing needs, including 200#-0 and 320/325-0.

Grain Size Sand (F/P): We supply a full spectrum from 12# through to 220#, ensuring you find the precise grit for your operation.

Micro Powder (W): For ultra-fine polishing and specialised applications, we offer grades from W63 down to W3.5.

JIS & EU Standards: To cater to global markets, our products are also available in standard JIS (240# to 3000#) and FEPA (F230 to F1500) grades.

Products Parameter

Parameter	Specification
Raw Material	A high-temperature fusion of bauxite, anthracite, and iron filings.
Crystal Form	Distinctive trigonal crystal structure.
Main Composition	Prime quality α-Al2O3 (Alpha Alumina).
Colour	Standard brown.
Smelting Method	Produced using robust tilting or fixed electric arc furnaces.
True Density	≥ 3.9 g/cm³
Moh's Hardness	9.0
Melting Point	Approximately 2250°C
Grade	First Grade / Second Grade
Chemical Index
Al₂O₃	≥ 95%
SiO₂	≤ 1.0%
Fe₂O₃	≤ 0.15%
TiO₂	2.2 - 2.8%

Detailed picture

Brown Fused Aluminum Oxide powder

Brown fused aluminum oxide

Aluminum oxide powder brown

Why choose us

Why Choose Our Premium & Standard Brown Fused Alumina?

At the heart of our production lies a commitment to excellence, starting with the careful selection of raw materials. We source only high-purity abrasive-grade bauxite, with an Al₂O₃ content of 85% or higher, laying a solid foundation for superior product quality right from the origin.

Double-Refined for Enhanced Performance
Going beyond industry norms, every batch of our brown fused alumina undergoes an additional three-hour secondary refining process. This extended smelting not only elevates purity but also optimises the grain toughness and cutting ability, resulting in a more consistent and reliable abrasive.

Meticulous Sorting & Grading
Once smelting is complete, each batch of brown corundum is carefully hand-screened and graded by our experienced team. This rigorous manual inspection ensures precise classification-whether you require our First Grade for top-tier performance or our dependable Second Grade for cost-effective solutions.

Advanced Purification Technology
We employ state-of-the-art, high-power magnetic separators featuring five purification channels. This advanced system aggressively removes iron and silicon impurities, guaranteeing a cleaner, more effective product with minimal free iron content-all while maintaining competitive pricing.

Uncompromising Quality Assurance
Our dedicated quality control team oversees every stage of production. From raw material intake to final packaging, strict testing protocols are enforced at each step. It's this meticulous attention to detail that ensures both our Premium and Standard grades deliver outstanding results batch after batch.

Products usage

Renowned as the "teeth of industry", Brown Fused Alumina is a versatile abrasive prized for its superior hardness, durability, and performance across numerous sectors. Available in First and Second Grade qualities, it meets a wide spectrum of industrial demands.

Key Uses:

Refractory Production: A fundamental component in high-grade refractory bricks, castables, and monolithic linings, offering exceptional resistance to extreme temperatures and thermal shock in furnaces and kilns.

Surface Preparation & Blasting: Ideal for precision sandblasting and surface treatment of materials like aluminium, copper alloys, and glass. It effectively cleans and prepares surfaces for coating without causing significant damage to substrates.

Precision Grinding & Lapping: The grinding-grade material is essential for finishing sensitive components, including optical lenses, watch crystals, semiconductor silicon wafers, and intricate glassware, ensuring high-precision results.

Bonded Abrasives: Excellently suited for resin-bonded grinding wheels and cutting discs. Its inherent toughness, sharp grain structure, and self-sharpening characteristics provide extended tool life and consistent cutting performance.

Coated Abrasives: Serves as a primary raw material in the manufacture of sandpaper and abrasive cloths, delivering reliable cutting power and a consistent finish for woodworking and metalworking applications.

Functional Fillers & Anti-Slip Aggregates: Used as a wear-resistant filler in specialist construction products, automotive brake pads, and high-performance tyres. It is also a key component in non-slip surfaces for industrial flooring, airport runways, docks, and sports facilities.

Filtration & Drilling Media: Its granular form acts as an effective filter bed medium for purifying potable water and treating industrial wastewater. Additional applications include use as a weighting agent in oil-drilling muds.

Abrasive Waterjet Cutting: Employed as the cutting medium in high-pressure waterjet systems, it enables precise and efficient cutting of thick materials such as steel plate, pipelines, and titanium components.

application scope of brown fused alumina

Factory picture

fanchuang workshop of brown fused alumina

Packing & transportation

BROWN ALUMINIUM OXIDE

FAQ

1. Who are we?
We are Zhengzhou Fanchuang Science and Technology Co., Ltd, a dedicated manufacturer and supplier based in Henan, China. Our core focus lies in the research, development, and production of a comprehensive range of high-performance abrasive products. Thanks to our strategic location, we benefit from excellent transport links, facilitating efficient logistics. We take pride in ensuring that all our abrasives consistently meet stringent international quality benchmarks, earning trust and recognition across diverse global markets, including Vietnam and Southeast Asia.

2. Do you offer customisation services?
Absolutely. We understand that your needs can be unique. Whether it's tailoring product specifications or customising packaging, we are fully equipped to work with you and deliver a solution that fits your exact requirements.

3. Can we obtain samples for quality evaluation?
Yes, of course. We provide free samples so you can verify the quality of our abrasives firsthand. Typically, we ask that customers arrange coverage for the courier charges. This allows us to support rapid and flexible sampling for all our potential partners.

4. What is the typical lead time for receiving samples?
You can expect to receive your samples within 1 to 3 working days after your request is confirmed. We prioritise sample dispatch to help you with your assessment and decision-making process without delay.

5. How do you ensure consistent product quality?
Quality assurance is integral to our manufacturing process. We implement a rigorous, multi-stage inspection system that monitors production from raw material intake to the final finished product. This disciplined approach is fundamental to delivering the reliable, high-calibre abrasives our clients depend on.

6. What payment methods do you accept?
To provide flexibility and convenience, we accept a variety of secure payment methods. These include Bank Transfer (T/T), Letter of Credit (L/C), PayPal, and Western Union. We are also open to discussing other arrangements to find a mutually suitable option.

7. Which port do you typically use for shipment?
Our primary shipping port is Qingdao, known for its efficiency and extensive connections. However, we are very flexible and can arrange shipments from any other Chinese port that you may specify to best suit your logistical needs.