White aluminum oxide 325mesh

White aluminum oxide 325mesh

/MT

White aluminum oxide 325mesh

White fused alumina is a white abrasive made from industrial alumina powder (Al2O3) with a content of over 98% and a small amount of iron oxide and silicon oxide. It is a white abrasive which is melted at high temperature. Its hardness is slightly higher than that of brown corundum and its toughness is slightly lower. It is made by smelting and cooling above 2000 degrees in arc, grinding and shaping, removing iron by magnetic separation, and sieving into many kinds of granularity. It is compact in texture, high in hardness and sharp in shape.

Aluminum oxide is used successfully for cleaning, deburring, surface finishing, rust removal and old paint coatings, preparing surfaces for subsequent anti-corrosion treatments with paint and primer at the highest quality standards.

PurposeSpecificationChemical Composition(%)Magnetic material content(%)max
Abrasives gradeAl2O3minFe2O3maxSiO2maxTiO2max
grain12-80#990.050.260.080.0023
90-150#990.060.280.090.0021
180-220#990.080.300.100.0018
micropowder240-10000#98.50.10.400.15
Refractory gradeGroup Size0-1mm
1-3mm
3-5mm
5-8mm
990.10.350.3
Fine Powder-100mesh
-200mesh
-350mesh
990.10.350.3
colorwhite
Hardness(mohs)9.0
Melting point(°C)2250
Maximum service temperature(°C)1900
Ture density(g/cm3)3.9

White corundum powder application:

1.For precision casting and high-grade refractory.
2. For bake lining ,Catalyst carrier ,friction products

3.For pressure blasting hard abrasives;Refractory industry
4.For wet and dry blasting ,grinding,lapping and polishing media
5.For abrasive tools: grinding wheel, Lapping and polishing non-skid title;
6.For bonded and Coated abrasives ,Thermal Spraying (Plasma Spraying)
7.For lapping & Micro-Blasting applications .refractories,Ceramics and Tiles .

Fused white corundum alumina 99.5% powder for polishing

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