weight poly(oxy(methyl-1,2-ethanediyl)), α-butyl-ω hydroxyl (CAS No. 9003–13–8), less than 2 percent by weight oxirane, methyl-, polymer with oxirane, monobutylether (CAS No. 9038–95–3), less than 8 percent by weight silanamine, 1,1,1, trimethyl (CAS No. 68909–20–6), and less than 1 percent by weight silicon dioxide (CAS No. 7631–86–9) (provided for in subheading 3824.99.92) Free No change No change On or before 12/31/2020 . 950. Sucrose stearate Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.10.62 1-O-Stearoyl-β-D-fructofuranosyl α-D-glucopyranoside (Sucrose stearate) (CAS No. 25168–73–4) (provided for in subheading 3824.99.92) Free No change No change On or before 12/31/2020 . 951. Synthetic acid washed beta zeolite powder Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.10.63 Acid washed beta zeolite powder composed of mixtures of aluminum, silicon and sodium oxides, tetraethylammonium-hydroxide, and organic compounds (CAS No. 1318–02–1) (provided for in subheading 3824.99.92) Free No change No change On or before 12/31/2020 . 952. Polymers of ethylene, other Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.10.64 2-Propenoic acid, C 12 -C 14 -alkyl esters, telomers with ethylene, 2-ethylhexyl acrylate, propanal and vinyl acetate (CAS No. 923958–45–6) (provided for in subheading 3901.90.90) Free No change No change On or before 12/31/2020 . 953. Mineral filled polypropylene pellets Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.10.65 Polypropylene in pellet form, containing 18 percent or more but not over 22 percent by weight of mineral filler (talc) (CAS No. 9003–07–0) (provided for in subheading 3902.10.00) Free No change No change On or before 12/31/2020 . 954. Polyisobutylene: other Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new