Brown Corundum Alumina
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
- Product Introduction
Products Description
Produced through the high-temperature smelting of bauxite, anthracite, and iron filings in an electric arc furnace, Brown Corundum Alumina stands as a premium industrial abrasive and refractory material. With Al₂O₃ content reaching 95%–97%, it delivers exceptional purity, while trace elements like Fe, Si, and Ti contribute to its robust performance in demanding applications.
FANCHUANG's Brown Corundum Alumina exhibits outstanding high-temperature resistance and corrosion resistance, making it a preferred choice for thermal equipment in industries such as steel, cement, and glass manufacturing. Its superior thermal stability ensures longevity in harsh environments, solidifying its role as a high-grade refractory material in chemical processing and metallurgical operations.
Beyond its refractory applications, Brown Corundum Alumina is highly valued for its extreme hardness and superior grinding efficiency. As a critical raw material in abrasive manufacturing, it enables the production of high-performance grinding wheels, sandpapers, and blasting media, supporting precision machining across various industrial sectors.
With its versatility, durability, and unmatched abrasive properties, FANCHUANG's Brown Corundum Alumina remains an indispensable material in modern manufacturing and high-temperature industrial processes.
Common brown corundum models
| 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# |
| mircro powder | W | W63 W50 W40 W28 W20 W14 W10 W7 W5 W3.5 |
| JIS | 240# 280# 320# 400# 500# 600# 700# 800# 1000# 1200# 1500# 2000# 2500# 3000# | |
| EU | F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 | |
Products Parameter
| raw material |
smelting bauxite, anthracite and iron fillings |
| crystal form | trigonal system |
| main chemical compostion | α-Al2O3 |
| color | brown |
| smelting method | tilting furnace/fixed furnace |
| true density | ≥3.9g/cm3 |
| Moh's hardness | 9.0 |
| melting point | 2250℃ |
| Grade | Frist grade |
| chemical index | |
| Al2O3 | ≥95% |
| SiO2 | ≤1.0% |
| Fe2O3 | ≤0.15% |
| TiO2 | 2.2-2.8% |
Detailed picture
Products usage
Brown corundum is called the teeth of industry,mainly used in refractory materials,grinding wheels,sandblasting,abrasive rust removal,emery cloth and other aspects.
1. High-Temperature Defense: Refractory Solutions
BFA is a backbone material for premium refractories, including castables, bricks, and monolithic linings. It withstands extreme heat in furnaces, kilns, and reactors, ensuring durability in steel, cement, and glass manufacturing.
2. Surface Perfection: Precision Blasting & Cleaning
Ideal for sandblasting metals (aluminum, copper), glass, and precision molds, BFA efficiently removes oxides, scales, and contaminants while maintaining substrate integrity. Its sharp edges deliver uniform matte finishes without embedding debris.
3. Cutting-Edge Grinding: High-Tech Material Processing
From optical lenses and silicon wafers to watch crystals and gemstones, BFA's grinding-grade particles enable ultra-fine finishing. Its controlled fracturing ensures consistent particle size, critical for polishing brittle materials.
4. Reinforced Resin Tools: Durable Bonded Abrasives
In resin-bonded wheels and cutting discs, BFA offers optimal hardness-toughness balance. Its self-sharpening grains extend tool life, making it ideal for heavy-duty grinding of alloys and composites.
5. Coated Abrasives: Sandpaper & Abrasive Cloth
As a core material for coated abrasives, BFA provides aggressive cutting in sandpapers and abrasive rolls. Its angular grains excel in woodworking, metal deburring, and paint stripping.
6. High-Wear Fillers: Reinforcing Critical Components
BFA enhances wear resistance in automotive brake pads, aircraft runway coatings, and industrial flooring. Added to rubber or epoxy, it boosts traction and longevity in heavy-load environments like ports and sports surfaces.
7. Filtration & Drilling: Purification and Weighting
Crushed BFA serves as a filter medium for water treatment, effectively trapping impurities. In mining, it aids ore separation, while its high density makes it a reliable weighting agent for oil drilling muds.
8. Hydraulic Cutting: Slice Through Steel & Pipelines
Mixed with high-pressure water jets, BFA becomes a potent cutting tool for thick metals (oil pipes, ship hulls) where traditional methods fail. Its fast-cutting grit minimizes heat distortion in precision severing.
Factory picture
Packing & transportation
FAQ
Q:Who are we?
A: We are Zhengzhou Fanchuang Science and Technology Co., Ltd., a leading manufacturer and supplier of high-performance abrasive products. Based in Zhengzhou, Henan, China, we focus on research, development, and production of abrasives tailored for industrial and commercial applications. Our products meet strict international quality standards and are trusted by clients worldwide.
Q: Can you accept customization?
A: Absolutely! We understand that different projects require unique specifications. Whether it's material composition, grit size, shape, or packaging, we can tailor our abrasives to fit your exact needs. Just share your requirements, and we'll handle the rest.
Q: Are samples available for quality test?
A: Yes, we provide free samples for quality evaluation. However, customers typically cover the shipping costs. Samples are usually ready within 1–3 business days, so you can test them promptly.
Q: How can you guarantee quality?
A: Quality is our top priority. From raw material selection to final inspection, every step undergoes rigorous checks. Our advanced testing equipment and strict quality control procedures guarantee that only the best products reach you.
Q: What are your terms of payment?
A: We offer flexible payment options, including T/T (Bank Transfer), L/C (Letter of Credit), PayPal, and Western Union. Other methods can also be discussed based on your preference.
Q: Where is your nearest loading port?
A: Our primary shipping port is Qingdao, but we can also arrange shipments from other Chinese ports if it's more convenient for you. Just let us know your preference!
Hot Tags: brown corundum alumina, China brown corundum alumina manufacturers, suppliers, consolidated wheels, active filler material, tinplate bush, flap disc wheels, artificial sodium cryolite, cas no 7778 18 9
