HIGH PURITY ALUMINA CERTIFICATE OF ANALYSIS Name Index value Analysis result Note AL2O3 99.99% Min 99.995% Na 0.001% Max 0.0002% Si 0.0012% Max 0.001% Max Mg 0.0006% Max 0.0002% Max Ca 0.0002% Max 0.0001% Max Cr 0.0003% Max 0.0002% Max Fe 0.0005% Max 0.0001% Max Size D50: 0.5um D50: 0.5um We also can supply finer HP ALUMINA According to customer requirements Reactive Alumina and Alumina Micropowders Elements Index B2L-06DCT-3000SG B2M-12DCTC40 B2M-4DCT800SG typi cal min max typical min max typical min max AL2O3 % 99.53 99.0 99.60 99.46 9 9 99.7 99.47 99 99.65 SiO2 % 0.06 0.15 0.06 0.15 0.04 0.15 Na2O % 0.05 0 .10 0.16 0.30 0.25 0.25 Fe2O3 % 0.04 0.10 0.04 0.10 0.04 0.10 True density 3.94 3.93 3.94 3.93 3.96 3.95 Specific surface area m2/ g 1.3 1.0 1.5 1.15 0.9 1.5 0.56 0.50 0.8 D50 laser 1.05 0.88 1.20 1.26 1.0 1.60 3.5 3.0 5.0 D50sedimentaion 0.75 0.60 0.90