An ion-exchange resin or ion-exchange polymer is an insoluble matrix (or support structure) normally in the form of small (0.5-1 mm diameter) beads, usually white or yellowish, fabricated from an organic polymer substrate.
Ang isang Ion-exchange dagta o Ion-exchange polimer ay isang walang kalutasan matrix (o istraktura support) normal sa anyo ng maliit (0.5-1 mm diameter) kuwintas, karaniwang puti o madilaw-dilaw, gawa-gawa mula sa isang organic polimer substrate.