... capacity, shock resistant, gelular,Type I ,strongly basic anion exchange resin. For Efficient Demineralibation Including Silica Removal201x4 is a high capacity ... ,strongly basic anion exchange resin supplied in the chloride or hydroxide form as moist, tough, uniform, spherical beads. 201x4 is intended for ... gpm/cu/ft.) Strong-Base Type I (Gel) Anion Exchange Resin