HTS 9902.11.69

Ion-exchange resin, free base form, utilizing a tertiary amine functional group consisting of 2-​propenamide, N-​[3-​(dimethylamino)​propyl]​-​, polymer with diethenylbenzene and 1,​1'-​[oxybis(2,​1-​ethanediyloxy)​]​bis[ethene] (CAS No. 65899-87-8) in spherical beads with a mean particle size between 0.30 and 1.20 mm (provided for in subheading 3914.00.60)