Customization: | Available |
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Natural Abrasive Type: | Natural Corundum |
Artificial Abrasive Type: | Corundum Abrasives |
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Brown Fused Alumina:
The brown fused alumina is made from bauxite, carbon materials, iron filings as raw material through melting in the electric furnace. It suitable for grinding high tensile metal, such as: a variety of common steel, malleable iron and hard bronze, etc., can also create advanced refractory.
Application:
grinding media, sandblasting media; surface cleaning, grit blasting, lapping, polishing, grinding,
sandblasting, etching : wet and dry blasting : mineral skin abrasion materials
metal finishing & surface preparation : refractors, ceramics, coatings " bonded & coated abrasives.
Specification:
Purpose | Specification | Chemical Composition(%) | Magnetic material content(%)max | ||||
Abrasives grade | Al2O3min | Fe2O3max | SiO2max | TiO2max | |||
grain | 12-80 | 95 | 0.3 | 1.5 | 3.0 | 0.05 | |
90-150 | 94 | 0.3 | 1.5 | 3.0 | 0.03 | ||
180-220 | 93 | 0.3 | 1.5 | 3.5 | 0.02 | ||
micropowder | 240-4000 | 92.5 | 0.5 | 1.8 | 4.0 | - | |
Refractory grade | Group Size | 0-1mm 1-3mm 3-5mm 5-8mm |
94.5 | 0.3 | 1.5 | 3.0 | - |
Fine Powder | -180mesh -200mesh -240mesh -320mesh |
93.5 | 0.5 | 1.5 | 3.5 | - | |
color | Dark brown | ||||||
Hardness(mohs) | 9.0 | ||||||
Melting point(ºC) | 2250 | ||||||
Maximum service temperature(ºC) | 1900 | ||||||
Ture density(g/cm3) | 3.9 |