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 alumina physical properties chemical composition(%) GradeZrO2Al2O3TiO2Fe2O3SiO2 ZA2524%-30%68%-72%5%max0.5%max1.0%max ZA4035%-44%55%-57%1.5%max0.5%max1.0%max physical properties 1ColorGray 2True density4.20g/cm3 3Bulk density2.18g/cm3 4Moh's hardness9.0 Zirconia fused alumina size &Application 1.Application :top refractory, slide gate nozzle,submersed nozzle,brick ,building materials. Section sand0-1mm,1-3mm, 3-5mm,5-8mm,etc Fine powder100f,200f,325f ,etc. 2.Application :bonded abrasives,abrasives belt,grinding,heavy duty wheel grinding, cutting discï¼?fiber discïrinding rails Granularity sand/granular sand / grit size sand/grain size sand FEPAF4F5F6F7F8F10F12F14F16F20F22F24F30F36F40F46F54F60F70F80F90F100F120F150F180F220 JIS4#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