5N
                        1344-28-1
                        215-691-6
                        Al2O3
                        Chemical Industry Product
                        Particle
                        Al2O3
                        White Powder
                        Chemical
                        Used for Sapphire/Pulishing/Abrasive
                        Aotai
                        25kg/Barrel
                        99.99%min
                        P. R. China
                        2818200000
                        






