201x4 is a high capacity, shock resistant, gelular,Type I ,strongly basic anion exchange resin. For Efficient Demineralibation ... Silica Removal201x4 is a high capacity, shock resistant, gelular,Type I ,strongly basic anion exchange resin supplied in the chloride ... , spherical beads. 201x4 is intended for use in all type of deionization systems and chemical processing applications and is especially ...