many repeating units some or all of which have charged functions the wet strength resin agent can be any cationic resin which can form a covalent or ionic bond with cellulose fibers preferred cationic wet strength resins include those having azetidinium or epoxide functionality such resins include polyamidoamine epichlorohydrin pae resin poly diallylamine epichlorohydrin resin polyalkylene polyamine epichlorohydrin resin papae quaternary ammonium epoxide resins are also useful other cationic wet strength resins include melamine formaldehyde resins and urea formaldehyde resin a particularly suitable wet strength agent is pae which contains cationic sites which form ionic bonds with the carboxyl sites on the cellulosic pulp fibers pae suitable for use as a wet strength agent is commercially available from various suppliers a pae wet strength agent suitable for use in the present invention is commercially available under the designation amres la 12 from georgia pacific corp of atlanta ga the amount of wet strength agent used preferably ranges from about 1 pound per metric ton to 30 pounds per metric ton of dry fiber more preferably from about 10 pounds per metric ton to about 20 pounds per metric ton the preferred amount of wet strength agent depends upon the demand for a given furnish in practice one first determines the wet strength resin demand of a furnish i e the amount of wet strength resin needed to bond to the anionic sites of the cellulosic component of a pulp furnish.