About Us ALUMINA CHEMICALS CASTABLES is a prestigious organization specialized in chemicals refractory castables. As a manufacturer, supplier and exporter, we are offering premium quality Alumina Trihydrate, Calcined Alumina, Sodium Aluminate, Activated Alumina, Alumina Hydrate, Aluminium Hydroxide, Alumina and Aluminium Oxide.We also offer Alumina Adsorbents, Alumina Catalyst,