Brown Fused Alumina Coarse Grit

Brown Fused Alumina Coarse Grit

Purity: 95% -97% Al₂O₃

Raw materials: bauxite, carbon materials, iron filings

Mohs hardness: ≥ 8.9

Structure: Tripartite crystal system

Melting point (℃): 2250

Color: Dark brown (deep blue after calcination)

Applications: abrasives, refractory materials, grinding wheels, sandblasting, resin grinding tools, functional fillers


Brown fused alumina coarse grit refers to corundum with a brown color and relatively large particles. This type of brown corundum is usually used in abrasives, grinding tools, or other industrial applications, with good grinding performance, wide applicability, low cost, and is widely used.


High Hardness

High Temperature Stability

Wear Resistance

Chemical Inertness


Brown Fused Alumina Coarse Grit Parameter
ApplicationGrain sizeAl2O3TIo2CaOSiO2Fe2O3Magnetic material content%
FOR ABRASIVESF4~F80 P12~P8095.0~95.91.7~3.40.42max1.0 max0.3max0.05 max
F90~F150 P100~P15094.5~95.91.7~3.60.42max1.0 max0.3max0.03 max
F180~F220 P180~P22094.0~95.91.7~3.80.45max1.2 max0.3max0.02 max
F230~F800 P240~P80093.5 min1.7~3.80.45max1.2 max0.3max
F1000~F1200 P1000~P120093.0 min4.0max0.50max1.4 max0.3max
P1200-P250092.5 min4.2max0.55max1.6 max0.3max 


Brown corundum coarse grits are widely used in various industrial applications due to their high hardness and wear resistance.

Grinding and abrasives: commonly used in the manufacturing of grinding wheels, abrasive belts, and other abrasive products.

Filler material: can be used as a filler material for some high-performance composite materials.

Ceramic manufacturing: can be used for cutting, grinding, and surface treatment of ceramic materials.

Metal processing: used for grinding, polishing, and cleaning metal materials.


Customized Packaging

1) 25 kg/plastic woven bag and 40 bags/wooden pallet

2) 25kg/paper bag and 40 bags/wooden pallet

3) 1000kg/bulk bag

4) 1250kgs/bulk bag

5) Customized packaging according to customer needs






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