; (B) by striking 6.0% and inserting 6.3% ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (8) Compound used in polymer production Heading 9902.04.58 is amended— (A) by amending the article description to read as follows: 1,1′-[1,3-Phenylenebis(methylene)]bis(3-methyl-1H-pyr- role-2,5-dione) (CAS No. 119462–56–5) (provided for in subheading 2925.19.42) ; (B) by striking Free and inserting 2.7% ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (9) 2-Methoxlyethyl(rs)-2-(4-tert-(cyflumetofen) Heading 9902.04.66 is amended— (A) by amending the article description to read as follows: 2-Methoxyethyl 2-cyano-2-[4-(2-methyl-2-propanyl)phe- nyl]-3-oxo-3-[2-(trifluoromethyl)phenyl]propanoate (Cyflumetafen) (CAS No. 400882–07–7) (provided for in subheading 2926.90.25) ; (B) by striking Free and inserting 1.5% ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (10) β-Cyfluthrin Heading 9902.04.70 is amended— (A) by amending the article description to read as follows: Cyano-(4-fluoro-3-phenoxyphenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate (β-Cyfluthrin) (CAS No. 68359–37–5) (provided for in subheading 2926.90.30) ; (B) by striking 3.4% and inserting Free ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (11) Deltamethrin Heading 9902.04.71 is amended— (A) by amending the article description to read as follows: [(S)-Cyano-(3-phenoxyphenyl)methyl] (1R,3R)-3-(2,2-dibromoethenyl)-2,2-dimethylcyclopropane-1-carboxylate (Deltamethrin) (CAS No. 52918–63–5) (provided for in subheading 2926.90.30) ; (B) by striking 1.8% and inserting 4.3% ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (12) Methoxyfenozide technical insecticide Heading 9902.04.84 is amended— (A) by amending the article description to read as follows: N-(3,5-Dimethylbenzoyl)-3-methoxy-2-methyl-N-(2-methyl-2- propanyl)benzohydrazide (Methoxyfenozide) (CAS No. 161050–58–4) (provided for in subheading 2928.00.25) ; (B) by striking 3.2% and inserting 5.4%