Lewatit Monoplus S 108 Lewatit Monoplus M 500 Lewatit S 80 Lewatit S 6368 A Lewatit S 5528 Complete List LEWATIT® S 80 Brochures Download Brochure Lewatit® S80 LEWATIT® S 80 is a strongly acidic, gelular cation exchange resin of a standard bead size distribution based on a styrene-divinylbenzene copolymer. It is high total capacity, very good chemical and mechanical stability make it especially suitab.