... 4)CAS NO.1344-28-1 Activated Alumina Fluoride Adsorbent:Air,Gas drying,separationActivated alumina has much micro-paths, so the specific ... widely used in the deep drying of cracked gas, ethylene and propylene, hydrogen-generation, air separation, instrument air drying and fluorine treatment for H2O2 ... (H2O2)KA404: is for catalyst carrierKA405: is for dehydrating and drying in air seperation etc.