Manufacturer White Fused Alumina WFA 1,Manufacturer-Direct sale 2, ... 3,Crystal form:Alpha-Al2O3 Manufacturer White Fused Alumina WFAWhite Fused alumina, a kind of high-grade refractories , was ... made from the high quality alumina by melting above 2000 in the electric arc ... the main crystal phase alpha-Al2O3.The white alumina produced in titling electric arc furnace has the ...