white fused alumina

Product Description

We are the factory which specialized in manufacturing White Fused Alumina, Brown Fused Alumina, , Bubble Alumina, etc. 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 Lower sodium Middle sodium Properties: Fraction(mesh); Fine(mesh); Fraction(mesh); Fine(mesh) **1; **2; **5m/m; ****0; ****0; **1; **2; **5m/m; ****0; ****0 Guarantee Value; Typical value; Guarantee Value; Typical value; Guarantee Value; Typical value; Guarantee Value; Typical value Chemical Composition (%): α-Al2O3 ≥ *9.3 SiO2 ≤0.5 Fe2O3 ≤0.3 Na2O ≤0.3 Principal crystalline phase: α-Al2O3 Crystal system: Hexzagon Colour: White True density (g/cm³ ): ≥3.*5 Packing density (g/cm³ ): 1.***1.*5 Mohs hardness: 9 Linear expansion (1/degree Centigrade): 8.3by***4 Size(mm): **5 **3 **1 **0 Fine(mesh): **0, ***0, ***0, ***0 Micropowder(um): **5 ***0 Test standard: GB/T******9 Packing: *5kg/bag ***0kg/big bag Usage: Refractories