Hexagonal Crystal Structure Brown Aluminum Oxide PH 7.0-8.5

Place of Origin Changsha China
Brand Name Fine-tech
Certification ISO9001
Model Number 325 mesh
Minimum Order Quantity 500KG
Price Negotation
Packaging Details 25kg/barrel, 25kg/bag, 1t/pallet
Delivery Time 5-15 work days
Payment Terms L/C, T/T
Supply Ability 2000t per year

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Product Details
Crystal Structure Hexagonal Crystal System Trigonal
Density 3.97 G/cm3 Product Name Brown Fused Aluminum
Melting Point 2072°C Hardness 9 Mohs
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Crystal Brown Aluminum Oxide


Hexagonal Brown Aluminum Oxide


Hexagonal Crystal Aluminum Oxide PH7

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Product Description

Product Description:


Brown corundum is a high-quality material made out of bauxite, anthracite, and iron filings. It's produced through arc smelting at a temperature of 2000°C or higher. Brown corundum is later crushed and plasticized using a self-grinding machine and is then magnetically selected in order to remove iron. It's also sieved into various sizes. This material has a dense and hard texture.


These high quality brown corundum pellets are suitable for various purposes such as production of ceramic, high-resistance abrasive resin, grinding, polishing, sandblasting, and precision casting. Moreover, it can also be used to manufacture high-grade refractories.



Brown corundum abrasive particles have many superior qualities. High strength and durability make them highly resistant to breaking, resulting in fewer replacements and extended wear life. Furthermore, these particles perform fast and efficient cutting, resulting in reduced production time and costs.


In addition, the particles are chemically inert, and so do not contaminate the end-product during processing. Their high chemical stability also means that they do not react with other materials. Finally, these abrasive particles have excellent thermal shock resistance, making them suitable for use in high-temperature applications.


Technical Parameters:


Dark brown is the color of this product.

The crystal of this product is three party crystal system.

Bulk density:
The bulk density of this product is between 1.75 to 1.95 g/cm3.

Melting point:
It has a high melting point of 2250°C.

Maximum service temperature:
The maximum service temperature of this product is 1900°C.

True density:
The true density of this product is ≥3.95.

Hardness (Mohs):

It has a hardness of ≥9.0 as measures on Mohs scale.


Brown corundum is a versatile tool that can be used in various applications. Here are some of the uses of brown corundum.


Ceramic-bonded abrasives: Brown corundum is used in ceramic-bonded abrasives, which are typically used in precision grinding and finishing applications.


Resin-bonded abrasives: It is used in resin-bonded abrasives, which are commonly used in manufacturing operations such as cutting, grinding, and polishing.


Sharpening stones: Brown corundum is used in sharpening stones, mostly used in the kitchen to sharpen knives and other utensils.


Cladding welding: It is used in cladding welding to weld metal sheets for various applications, such as architecture and engineering.


Thermal spraying: Brown corundum is used as a thermal spraying material for surface coatings.


Glass polishing: It is used in glass polishing to remove scratches and stains on the surface of glasses.


Lapping: It is used to create extremely smooth surfaces in various high-precision operations, such as optics, electronics, and aerospace.


Honing: Brown corundum is used in honing to improve the roundness and straightness of cylinders.


Support and Services:

Brown Aluminum Oxide technical support and service includes:

  • Assistance with product selection
  • Assistance with product application
  • Technical troubleshooting and problem solving
  • On-site service and implementation
  • Regular maintenance and servicing
  • Emergency repair and replacement
  • Product and operational training


Q1: Where is Brown Aluminum Oxide from?
A1: Brown Aluminum Oxide is from Changsha, China.
Q2: What is the minimum order quantity of Brown Aluminum Oxide?
A2: The minimum order quantity of Brown Aluminum Oxide is 500KG.
Q3: How about the price of Brown Aluminum Oxide?
A3: The price of Brown Aluminum Oxide is negotiable.
Q4: What's the package details and delivery time of Brown Aluminum Oxide?
A4: The package details of Brown Aluminum Oxide is 25kg/barrel, 25kg/bag, 1t/pallet, and the delivery time is 5-15 work days. Payment terms are L/C, T/T and the supply ability is 2000t per year.