Brown Fused Alumina
Brown alumina, also known as diamond, is a brown-brown artificial corundum made from bauxite, carbon materials and iron scraps by melting and reducing in an electric arc furnace. The main chemical composition of brown corundum is AL2O3, its content is 95.00% - 97.00%, and contains a small amount of Fe, Si, Ti and so on. Brown corundum is the most basic abrasive, because of its good grinding performance, a wide range of applications, low price, is widely used.
Scope of use
Brown alumina is called industrial tooth: it is mainly used in refractories, grinding wheels, sand blasting.。
1. It is used for manufacturing advanced refractories, castables, refractory bricks and so on.
2、Sandblasting - abrasive with moderate hardness, high packing density, no free silica, high specific gravity, good toughness, is an ideal "environmental protection" type of sandblasting materials, widely used in aluminum profiles, copper profiles glass, water-washed jeans precision mold and other fields;
3、Free grinding - grinding grade abrasives, which are widely used in the field of kinescope, optical glass, monocrystalline silicon, lenses, glass for clocks and watches, crystal glass, jade and other free grinding, are advanced grinding materials in China.
4、Resin abrasive tools - abrasive has the right color, good hardness, toughness, suitable particle section type and edge retention, applied to resin abrasive tools, the effect is ideal.
5、Coated abrasives abrasive is the raw material for the production of sandpaper, gauze and other manufacturers.
6、Functional filler - mainly used for automotive brake parts, special tires, special construction products and other collars can be used to build highway pavement, aircraft runway, wharf, parking lot, industrial floor, stadium and other wear-resistant materials;
7、Filtration medium is a new application field of abrasive. It uses granular abrasive as the bottom medium of filter bed to purify drinking water or wastewater. It is a new type of water filtration material at home and abroad. It is especially suitable for non-ferrous metal mineral processing.
8、Hydraulic cutting is a new, environmentally friendly and safe cutting method, which uses abrasive as cutting medium and relies on high-pressure hydraulic jet for basic cutting, and is applied to the cutting of petroleum (natural gas) pipelines, steel and other components.
Note: F is a specification for consolidation abrasives and sandblasting.
P is the specification for coated abrasives.
W is micropowder, 320# is W40
Main chemical components %
Magnetic substance %
0-1mm 1-3mm 3-5mm 5-8mm 8-12mm
25-0mm 10-0mm 50-0mm 30-0mm
180#-0 200#-0 320#-0