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Industrial sandblasting consumables high-efficiency brown corundum sand grade one grade two grade three grade brown corundum

Industrial sandblasting consumables High-efficiency brown corundum No. 1, 2 and 3 brown corundum Brown corundum is made of bauxite, coke (anthracite), and iron filings as the main raw materials, which are melted and reduced in an electric arc. Tan artificial corundum, hence the name. The main chemical composition is AL2O3, its content is 94.5%-97%, and it also contains a small amount of Fe, Si, Ti, etc. Brown corundum is the most basic abrasive, which is widely used because of its good grinding performance, wide application range and low price.

$1,200.00 $1,100.00 /MT

Industrial sandblasting consumables high-efficiency brown corundum sand grade one grade two grade three grade brown corundum

Brown corundum is made of high-quality bauxite, iron filings, and anthracite in an electric arc at high temperature. It is crushed and shaped by an autogenous mill, iron is removed by magnetic separation, and it is sieved into various particle sizes. The main chemical component is Al2O3, and its content is 92%. –97%, and also contains a small amount of Fe, Si, Ti, etc. It has dense texture, high hardness, tan color, high toughness, and spherical particles. It is suitable for manufacturing ceramics, resin high-consolidation abrasives, grinding, polishing, sandblasting, precision casting, refractory materials, etc.

Physical properties of brown corundum
colorbrown
Moh’s hardness≥8.9
crystal formTrigonal system
melting point2250℃
Maximum operating temperature1900℃
proportion3.95
Bulk density1.53-1.99g/cm³
true density≥3.90g/cm³
Brown corundum chemical index and model
granularityChemical compositionSpecification
A l 2 O 3S iO2 _ _Fe2O3 _ _ _TiO2 _
Duan sand≥95≤1.5≤0.5≤30-1/3/5/8mm
powder≥92≤2≤0.55≤3.30-100/200/300/325 #
Granular sand≥95≤1.5≤0.5≤38-220 #
Micronized≥92≤2≤2≤4W63-W0.5(“W”标)
F230-F1200(“FEPA”Target)
240#-3000 #(“JIS”Target)
Brown corundum is called industrial teeth: mainly usedRefractories, sandblasted grinding surface treatment,Consolidation abrasives,Coating molds, etc

1, Used in the manufacture of advanced refractory materials, castables, refractory bricks, etc.2, sandblasting——The abrasive hardness is moderate, the bulk density is high, there is no free silica, the specific weight, the toughness is good, it is ideal“environmental protection”Type sandblasting materials, widely used in aluminum profiles, copper profiles, glass, washed jeans precision molds and other fields;3, free grinding——Grinding grade abrasives, used in picture tubes, optical glass, single crystal silicon, lenses, watch glass, crystal glass, jade and other fields of free grinding, is a commonly used advanced grinding material in China;4, resin abrasive——The abrasive has suitable color, good hardness, toughness, suitable particle section type and cutting edge retention, which is used in resin abrasives with ideal effect;5, coated abrasives——Abrasives are the raw materials of sandpaper, gauze and other manufacturers;

6. Functional filler – mainly used for automobile brake parts, special tires, special construction products, etc., and can be used as wear-resistant materials for building highway pavements, airstrips , docks , parking lots , industrial floors , sports venues, etc .;

7. Filter medium —— a new application field of abrasives. Granular abrasives are used as the bottom medium of the filter bed to purify drinking water or waste water. It is a new type of water filter material at home and abroad, especially suitable for non-ferrous metal beneficiation: oil drilling mud weighting agent : 8. Hydraulic cutting —— Using abrasives as the cutting medium, relying on high-pressure water jets for basic cutting, it is applied to the cutting of oil (natural gas) pipelines, steel and other components. It is a new, environmentally friendly and safe cutting method .

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