Aluminum OxideCalcined Alumina Alumina Specifications Parameters u.m. Value Analysis Method Al2O3 % 99 Min By Difference SiO2 % 0.012 ZSNP 03-02-01 Fe2O3 % 0.014 ZSNP 03-02-01 Na2O % 0.47 ISIRI 1061:1386 CaO % 0.010 ISIRI 10619:1386 L.O.I. % 0.48 ISIRI 8346:1384 +150 μm % 10 ZSNP 03-01-05 -75 45 μm % 40-50 ZSNP 03-01-05 +44 μm % 11-14 ZSNP 03-01-05 Midean μm 84.2 ZSNP