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Ruishi New Material Technology Co., Ltd.

China Manufacturer with main products: Brown Fused Alumina, White Fused Alumina, Tabular Alumina, Dense Fused Alumina, Semi-Friable Fused Alumina, Zirconia Fused Alumina, Fused...

Home  >Products Catalog > Brown Fused Alumina 1-3MM 3-5MM for Refractory Material

Brown Fused Alumina 1-3MM 3-5MM for Refractory Material

FOB Price: 890.00 - 900.00 USD/Ton
Payment Terms: L/C, D/A, D/P, T/T
In Stock
Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Henan in China
Packaging Details: 1 MT big bag or 25kg paper bag *40 bags on one pallet ; As per customer's requirement

Quick Details

  • Brand Name: Ruishi
  • Refractoriness (Degree): 1770°< Refractoriness< 2000°
  • Al2O3 Content (%): >95
  • Material: abrasive bauxite
  • Shape: Ball


Brown corundum is made of high-quality abrasive-grade bauxite with auxiliary materials, and is refined in an electric arc furnace at a high temperature above 2250 °C.
the RS brown corundum produced by our company has the characteristics of high purity, good crystallization, strong fluidity, low coefficient of linear expansion and corrosion resistance. the product has the characteristics of no explosion, no pulverization and no cracking during the application process, and is often used in the abrasives and refractory raw material industries.

the smelting method of brown corundum can be divided into: dumping furnace and fixed furnace.
the main products are: brown corundum Barmac sand, roller sand, ball grinding sand, segment sand, P sand, fine powder, micro powder.
Special treatment products are: high temperature calcined brown corundum, medium temperature calcined brown corundum, water washing, pickling, dry cleaning (air washing).

Scope of application
Abrasives: grinding wheel, abrasive belt, sandpaper, abrasive cloth, cutting disc, sandblasting process, grinding, wear-resistant floor, water jet cutting, coated abrasive, bonded abrasive, etc.
Refractory materials: castable, refractory brick, ramming material, slide plate, nozzle, ladle, furnace lining, precision casting, etc.
Ruishi brand brown corundum physical and chemical indicators:
Application Specifications Main Chemical Composition % Magnetic Matter %
Al2O3 Fe2O3 SiO2 TiO2
Abrasives F 4#80# ≥95 ≤0.3 ≤1.5 ≤3.0 ≤0.05
90#150# ≥94 ≤0.03
180#240# ≥93 ≤0.3 ≤1.5 ≤3.5 ≤0.02
P 8#80# ≥95.0 ≤0.2 ≤1.2 ≤3.0 ≤0.05
100#150# ≥94.0 ≤0.03
180#220# ≥93.0 ≤0.3 ≤1.5 ≤3.5 ≤0.02
W 1#-63# ≥92.5 ≤0.5 ≤1.8 ≤4.0
Refractory segment sand 0-1mm
8-12mm ≥95 ≤0.3 ≤1.5 ≤3.0
30-0mm ≥95 ≤0.3 ≤1.5 ≤3.0
Fine powder 180#-0
320#-0 ≥94.5 ≥93.5 ≤0.5 ≤1.5 ≤3.5
Note: F is the specification for bonded abrasives and sandblasting
P is the specification for coated abrasives
W is micro powder, 320# is W40

Physical properties of brown corundum:
Project Indicator
Color dark brown (dark blue after calcination)
Crystal form Trigonal system
Hardness (Mohs) ≥9.0
Melting point (℃) 2250
Maximum operating temperature (℃) 1900
True density (g/cm3) ≥3.90
Linear expansion coefficient (01600℃) 79
Grit No. Bulk Density
Bluck density model
Grit No. Bulk Density
Bluck density model
Grit No. Bulk Density
Bluck density
F12 2.02-2.10 F40 1.81-1.89 F120 1.61-1.69
F14 2.00-2.08 F46 1.79-1.87 F150 1.59-1.67
F16 1.97-2.05 F54 1.77-1.85 F180 1.57-1.67
F20 1.94-2.02 F60 1.76-1.84 F220 1.55-1.63
F22 1.92-2.00 F70 1.75-1.83
F24 1.90-1.98 F80 1.73-1.81
F30 1.88-1.96 F90 1.71-1.79
F36 1.87-1.95 F100 1.64-1.72

Brown Fused Alumina 13MM 35MM for Refractory Material

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