Product Introduction:
White Fused Alumina is provided by Zhengzhou Zhixing Imports & Exports Trade Co., Ltd.,a major Others supplier in Minerals, Metals & Materials wholesale industry in China.You can check out the specification of White Fused Alumina below or get any optional result clicking into the following keywords White Fused Alumina , China White Fused Alumina supplier , White Fused Alumina manufacturer , Find Mining Minerals & Metals made in china products , Others china supplier.Zhengzhou Zhixing Imports & Exports Trade Co. and you can check the authentications and testimonials of White Fused Alumina .
Description:
White Fused Alumina (Refractory grade)
White Fused Alumina(WFA or WA)is made from chemical by Higgns furnace or Tilting furnace at high temperature.It is very important raw material for advanced refractories and abrasives.Its properties are as folowing.
Type
Properties
Lower sodium （I） Middle sodium （II）
Fraction(mesh)
0-1 1-2 3-5m/m Fine(mesh)
0-180 0-320 Fraction(mesh)
0-1 1-2 3-5m/m Fine(mesh)
0-180 0-320
Guarantee Value Typical value Guarantee Value Typical value Guarantee Value Typical value Guarantee Value Typical value
Chemical Composition (％) α-Al2O3 ≥99 99.3 ≥98.5 99.23 ≥99 99.14 ≥98.5 98.75
SiO2 ≤0.2 0.15 ≤0.3 0.22 ≤0.4 0.12 ≤0.4 0.19
Fe2O3 ≤0.2 0.04 ≤0.25 0.04 ≤0.2 0.01 ≤0.25 0.05
Na2O ≤0.15 0.12 ≤0.25 0.18 ≤0.4 0.35 ≤0.5 0.23
Principal crystalline phase α-Al2O3
Crystal system Hexzagon
Colour white
True density (g/cm3) ≥3.95
Packing density (g/cm3) 1.75-1.95
Mohs hardness 9
Linear expansion (1/°C) 8.3×10-4
Size(mm) 8-5 5-3 3-1 1-0
Fine(mesh) -80,-120,-240,-320
Micropowder(um) 3-5 5-10
Test standard GB/T3044-89
Packing 25kg/bag 1000kg/big bag
Usage Refractories
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