1:aluminum hydroxide:flame retardant 2:Delivery time: within 5days 3:Package:50kg/bag 4:Type:high whitenss 5:D50:75-90um Synonyms: hydrated alumina, aluminum hydroxide Molecular formula: Al(OH)3 CAS No: 21645-51-2 HS CODE: 2818300000. Alumina hydroxide ATH CHALCO 99.5%min