White Fused Alumina (Refractory grade) White Fused Alumina(WFA or WA)is made from chemical by Higgns furnace or Tilting furn

WHITE FUSED ALUMINA

( WFA )

Items			Unit	Index	Typical
Chemical composition	Al2O3		%	99.20min	99.52
	SiO2		%	0.20max	0.11
	Fe2O3		%	0.10max	0.07
	Na2O+K2O		%	0.40max	0.23
Refractoriness				1850min
Bulk density			g/cm3	3.50min
Mohs hardness			---	9.00min
Principal crystalline phase			---	α-Al2O3
Refractory grade		Grain	mm	0-50,0-1, 1-3, 3-5,5-8
		Fines	mesh	-200, 325
GritF grade and P grade			FEPA	16, 24, 46, 100,180,220

white fused alumina