Toyopearl MegaCap® II SP-550EC is a large particle size strong cation exchanger useful for purification of molecules ranging in size from small peptides such as insulin to proteins up to 100kD. It is used for high throughput capture of feedstocks.
Catalog -- Process Media, Ion Exchange Chromatography
Comparative information for CIEX resins
Influence of pore size on Lysozyme DBC for Toyopearl cation exchangers @ 100cm/hour
pKa's for Ion Exchange groups