... packing with separating efficiency several times higher than that of loose packing. They have the quality of low-pressure drop, ... , minimum amplifying effect, and maximum liquid treatment compared to loose tower packing. In Regular , there have X and Y ... , minimum amplifying effect, and maximum liquid treatment compared to loose tower packing. Chemical composition: SiO2Fe2O3CaOAl2O3MgOOther≥72%≤0.5%≤1. ...