Brown Fused Alumia powders are fused wIth premium raw materials and 3500 KVA furnace. It is perfect material specifically manufactured to be used for general abrasive applications in bonded abrasive tools, polishing and sandblasting grit. It has lower hardness and abrasive capacity than diamond, boron carbide, and silicon carbide, it is widely used for grinding ferrous materials, finishing tough and hard materials. It is also be used as high-class refractory materials. Brown Fused Alumia is offered in macro and micro powder form, in both F and P grades.
Brown fused alumina for refractory
brown corundum is called industrial teeth: mainly used in refractory raw materials, grinding wheels, sand blasting.
Sandblasted brown corundum – sandblasted abrasive with moderate hardness, high bulk density, no free silica, large specific gravity and good toughness. It is an ideal “environmentally friendly” sandblasting material widely used in aluminum profiles and copper profiles. Washed denim clothing precision molds and other fields;
Free grinding - grinding grade abrasives, used in the fields of picture tube, optical glass, monocrystalline silicon, lens, glass for clocks, crystal glass, jade and other fields, is a high-grade abrasive material commonly used in China;
Resin Abrasives—Abrasives have suitable color, good hardness, toughness, suitable particle cross-section type and edge retention. They are used in resin abrasives with good results.
Coated abrasives—abrasives are raw materials for the production of sandpaper, gauze, etc.
Brown corundum functional filler - mainly used for automobile brake parts, special tires, special construction products, etc. It can be used as a wear-resistant material for highway pavement, airstrip, dock, parking lot, industrial floor, sports ground, etc.
Filter media – it is a new application field of abrasives. It uses granular abrasive as the bottom media of filter bed to purify drinking water or waste water. It is a new type of water filtration material at home and abroad, especially suitable for non-ferrous metal beneficiation and oil drilling mud weighting agent.
Brown Fused Alumina for Abrasive:
|
Purpose |
Specification |
Chemical composition(%) |
Magnetic material ≤ |
||||
|
Al2O3(≥) |
Fe2O3(≤) |
SiO2≤ |
TiO2≤ |
||||
|
For abrasive |
F grit |
4#-80# |
95.0 |
0.3 |
1.5 |
3.0 |
0.05 |
|
|
90#-150# |
94.0 |
0.03 |
||||
|
|
180#-240# |
93.0 |
3.5 |
0.02 |
|||
|
P grit |
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 |
|
|
Micro Powder |
W0.5-W63 |
92.5 |
0.5 |
1.8 |
4.0 |
|
|
Brown Fused Alumina for Refractory:
|
Size for Sand |
0-1mm;1-3mm |
95.5 |
0.3 |
1.5 (1.0 from Tilting Furnace) |
3.0 |
|
Size for Sand |
0-3mm;0-5mm |
95.0 |
0.3 |
1.5 |
3.0 |
|
Fine powder |
140F;200F |
94.5 |
0.5 |
1.5 |
3.5 |
Packing : 1). 25 kgs/ bag ,in bulk ;
2). 25 kgs/ bag *40 bags in big bag ;
3). 25 kgs/ bag *40 bags on wooden pallet .
4).According to customer's requirement .
Shipping date : In 20-25 days after receiving your down payment .
White corundum is made from industrial alumina powder, which is smelted in an arc at a high temperature above 2000 ℃ and then cooled. After crushing and shaping, magnetic separation to remove iron, it is divided into various particle sizes.
Brown corundum is made of natural bauxite as raw material, carbon (mainly coke) is used as reducing agent, and iron filings are added as sedimentation agent (clarifier) to form ferrosilicon deposited on the bottom of electric furnace.
The high-alumina bricks are mainly used in the regenerator of the hot blast stove. The lattice bricks with a certain structure are arranged in an orderly manner, and the upper and lower through holes of the lattice bricks can allow the gas to pass through.
It is widely used in the lining of the kiln working face which is in direct contact with the flame, and has become one of the research hotspots in recent years.
The unshaped refractory material used when repairing the lining of thermal equipment by spray construction method is called refractory gunning material. It is made of a refractory set with a certain particle gradation
The refractory pre -production is the category of irregular refractory materials, also known as the prefabricated block of the pouring materials, and the irregular refractory prefabricated block.
The high-alumina refractory bricks sold by Yuying refractory manufacturers are commonly used refractory bricks with high thermal stability and refractoriness above 1770°C. It has good slag resistance and is used for the lining of steelmaking electric furnaces, glass melting furnaces, cement rotary furnaces, etc.
Corundum refractory castable has the characteristics of high strength and good fluidity, which is convenient for construction. It is mainly used for the parts that are easy to be washed and worn, such as the combustion chamber, separator and flue of circulating fluidized bed boiler.
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