1.Description D111 This is a kind of cation exchange resin which has carboxylic acid groups [-COOH] in the macroporos acrylic acid-divinylbenzene copolymer. It works with large exchange capacity, speedy exchange ability, small volumn change, good physical strength and chemical stability, excellent capabilities of contamination and oxidation resistance etc. 2.Typical Physical and Chemical Properties: Items Specification Polymer Matrix Structure Acrylic Crosslinked with DVB Physical Form and Appearance Ivory opaque spherical particle Functional Groups R-COOH Ionic Form ,as shipped H+ Total Capacity, H+ form, wet, volumetric 2.7 eq/l min Moisture Retention, H+ form 55-65% Particle Size Range 0.3mm-1.2mm