... Clinical: Sanitary napkin, diaper, mattress, water absorbent paper, drug excipient, etc. 5) Agriculture / Horticulture: Soil water holding, seed coating, soilless culture, ... macromolecular, Bibulous sandbag, etc. 5) Industrial: Water-expandable rubber, water absorbent coating, leak stopper, etc. Food: Dehydration, preservation, thickening, water retention. super absorbent resin