Brown Fused Alumina
Informação de produto geral
BrownFused Alumina is fused and crystalized under high temperature from a mixture of bauxite and otherraw * is characterized by its high hardness,good toughness and sharp shape in size.Abrasives tools made of it are suitable for grinding metals of high-tensile strength such as carbon steel, general-purpose alloy steel,annealed malleable iron and hard braze,etc.It also can be used as refractory materials.
Chemical Components
Item
Content %
Al2O3
95% min
Fe2O3
0.3% max
SiO2
1.5% max
TiO2
1.5-3.8%
CaO
0.45% max
Physical Properties
Basic Mineral
a-AL2O3
True Specific Gravity
3.90
crystal system
Six-party body
Color
Brown
Moh's Harness
9
Microharhness
HV1800-2200
Melting Point
2250?
Applications
u Wet and dry blasting
u Grinding,lapping and polishing media
u Resin bonded grinding wheels and segments
u Resin bonded abrasive products
u Wear-resistant and fire-proof products
u catalytic carrier
u Friction products
u Cleaning of surfaces
Polishing
Available Granulations
Grit Bulk Density
F16 1.89-1.99
F20 1.89-1.99
F22 1.88-1.98
F24 1.87-1.97
F30 1.83-1.93
F36 1.82-1.92
F40 1.78-1.88
F46 1.73-1.83
F54 1.73-1.82
F60 1.71-1.81
F70 1.66-1.76
F80 1.64-1.74
F90 1.63-1.72
F100 1.63-1.71
F120 1.60-1.70
F150 1.58-1.68
F180 1.58-1.68
F220 1.58-1.65
Remark:As required,special composition and size can be produced.