... grade and mesh. Absorbance>400 g/g SAP( Super Absorbent Polymer). Chemical name: Polyacrylic acid sodium salt ... 4) Clinical: Sanitary napkin, diaper, mattress, water absorbent paper, drug excipient, etc. 5) Agriculture / Horticulture ... 5) Industrial: Water-expandable rubber, water absorbent coating, leak stopper, etc. Food: Dehydration, preservation, thickening, water retention. super absorbent resin