;1,6-diisocyanatohexane;hexanedioic acid;5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane (CAS No. 107934–19–0) (provided for in subheading 3909.50.20) Free No change No change On or before 12/31/2025 . 11608. Aqueous resin Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.25.41 Hexanedioic acid, polymer with 1,4-butanediol, 1,6-diisocyanatohexane, 1,6-hexanediol and 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane (CAS No. 153640–62–1) (provided for in subheading 3909.50.20) Free No change No change On or before 12/31/2025 . 11609. Aliphatic polyisocyanate Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.25.42 1,2,3-Propanetriol, polymer with 2,4-diisocyanato-1-methylbenzene, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, methyloxirane and oxirane (CAS No. 127821–00–5) (provided for in subheading 3909.50.50) Free No change No change On or before 12/31/2025 . 11610. IPDI and HDI based aliphatic polyisocyanate Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.25.43 Poly[oxy(methyl-1,2-ethanediyl)], α-hydro-ω-hydroxy-, polymer with 1,6-diisocyanatohexane (CAS No. 9048–90–2) and cyclohexane, 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethyl-, (CAS No. 53880–05–0) (provided for in subheading 3909.50.50) Free No change No change On or before 12/31/2025 . 11611. HDI/Trimethylol hexyllactone crosspolymer micro-spheres Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.25.44 Hexamethylene diisocyanate (HDI)/trimethylol hexyllactone crosspolymer (1,6-diisocyanatohexane;2-ethyl-2-(hydroxymethyl)propane-1,3-diol