Product Name: Low Sodium White Fused Alumina for Refractory
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Place of Origin: China(Mainland)
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PROCESS OF PRODUCTION
White fused alumina is fused by alumina powder by electric arc furnace under high temperature. It has white color and little higher hardness and lower toughness comparing with brown fused alumina. The micro hardness of the product is 2200-2300kg/mm2. It has higher hardness and slight lower toughness comparing with brown fused alumina. It is also characterized by its high purity, acid and alkali resistance, good thermal stability. It's the high grade refractory materials.
APPLICATIONS
Dedicated lines produce products for different applications. White Fused Alumina is highly friable and hence used in Vitrified Bonded Abrasives products where cool, fast cutting action is essential and also in the manufacture of high purity Alumina refractories. Other applications include use in Coated Abrasives, Surface treatment, Ceramic Tiles, Anti-Skid Paints, Fluidized Bed Furnaces and Skin / Dental Care.
Items Unit Index Typical
Chemical composition Al2O3 % 99.00min 99.52
SiO2 % 0.20max 0.11
Fe2O3 % 0.10max 0.07
Na2O % 0.40max 0.23
Refractoriness ºC 1850min
Bulk density g/cm 3 3.50min
Mohs hardness --- 9.00min
Principal crystalline phase --- ?-Al2O3
Refractory grade Grain mm 0-50, 0-1, 1-3, 3-5, 5-8
Fines mesh -200, -325
Grit (F grade and P grade) FEPA 16, 24, 46, 100, 180, 220
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:707#, Building C, World Trade Center, Kaiyuan Road, Luoyang, Henan, China
