... specialties, we endue our products with the characters of higher adsorption speed, stronger crushing and anti-contaminative resistance, ... the most essential and necessary desiccant in the fields of the deep drying, refinery, polymerization for cracked gases ... ethylene, propylene, butadien). 8) Drying of olefins drying, ethanol, etc.9)Dehydration of many kinds of liquids (say ethanol) air, refrigerant ...