... trace water desiccant and the pole-molecular absorbent, according to the absorbed molecular polarization, the attachment force is strong ... powdery, no crack. It can widely used in the deep drying of cracked gas, ethylene and propylene, hydrogen-generation, air ... material, such as H2S, SO2, HF and paraffin in the water gas, especially in the drinking water defluorination.Molecular Formula: Al2O3 • ...