Lewatit® C 249 is a premium grade, standard cross-linked, gel, strong acid cation exchange resin based on a styrene / DVB polymer. Lewatit® C 249 is especially suited for industrial water treatment applications, including demineralization, service exchange, and softening. Lewatit® C 249 can be used in single bed and mixed bed applications. Lewatit® C 249 exhibits a high ion exchange capacity combined with excellent mechanical and osmotic strength for a long operating life. Lewatit® C 249 is supplied in a heterodispersed particle size distribution as spherical beads in the fully swollen moist sodium form. Lewatit® C 249 is prepared with a minimum amount of fines (-50 mesh particles) resulting in low pressure losses during service.
Lewatit® C 249 is supplied in the sodium form. Lewatit® C 249 is also available in the hydrogen form, designated as Lewatit® C 267.
General DescriptionIonic form as shipped Na+ Functional group Sulfonic acid Matrix DVB / Styrene Structure Gel Appearance Brown, translucent
Physical and Chemical Properties