AmberLite™ IR69F resin is an insoluble, strongly acidic, cation exchange resin supplied in a fully hydrated bead form. AmberLite™ IR69F resin is suitable for use in pharmaceutical applications in the bead form as a starting material as a carrier for basic (cationic) drugs. This product is derived from a sulphonated copolymer of styrene and divinylbenzene.