الوصف

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. WHITE FUSED ALUMINA ( WFA ) Items Unit Index Typical Chemicalcomposition Al2O3 % *9.*0min *9.*9 SiO2 % 0.*0max 0.*1 Fe2O3 % 0.*0max 0.*7 Na2O+K2O % 0.*0max 0.*8 Refractoriness &#***1; ***0min Bulk density g/cm3 3.*0min Mohs hardness **- 9.*0min Principal crystalline phase **- &#**5;-Al2O3 Refractory grade Grain mm ***0,**1, **3, **5,**8 Fines mesh **0, **0, **0, **0, **5 Grit&#****8;Abrasive grade&#****9; # F*4, *4, *6, **0,**0&#****2;**0