Zirconia fused alumina Brief introduction Zirconia fused alumina was made from aluminum and Zirconium oxide by melting above 2000 in the electric arc furnace and cooling.Then the huge Zirconiafused alumina lump be crushed into different size,from a few mm to 0.8 um. Zirconia fused aluminas physical properties chemical composition(%) Grade ZrO2 Al2O3 TiO2 Fe2O3 SiO2 ZA25 24%-30% 68%-72% 5%max 0.5%max 1.0%max ZA40 35%-44% 55%-57% 1.5%max 0.5%max 1.0%max physical properties 1 Color Gray 2 True density 4.20g/cm3 3 Bulk density 2.18g/cm3 4 Moh's hardness 9.0 Zirconia fused aluminas size &Application 1.Application :top refractory, slide gate nozzle,submersed nozzle,brick ,building materials. Section sand 0-1mm,1-3mm, 3-5mm,5-8mm,etc Fine powder 100f,200f,325f ,etc. 2.Application :bonded abrasives,abrasives belt,grinding,heavy duty wheel grinding, cutting discfiber discgrinding rails Granularity sand/granular sand / grit size sand/grain size sand FEPA F4F5F6F7F8F10F12F14F16F20F22F24F30F36F40F46F54F60F70F80F90F100F120F150F180F220 JIS 4#5#6#7#8#10#12#14#16#20#22#24#30#36#40#46#54#60#70#80#90#100#120#150#180#220