1186. Acrylic filament tow with an average decitex of 5.0 to 5.6 Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.13.04 Acrylic filament tow containing 85 percent or more by weight of acrylonitrile units and 2 percent or more but not more than 8 percent of water, dyed, such tow with a decitex of 5.0 to 5.6, an aggregate filament measure in the tow bundle between 660,000 and 1,200,000 and a length greater than 2 m (provided for in subheading 5501.30.00) 2.0% No change No change On or before 12/31/2020 . 1187. Acrylic filament tow with a decitex of 3.3 Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.13.05 Acrylic filament tow containing by weight 92 percent or more of polyacrylonitrile, not more than 0.01 percent of zinc and 2 percent or more but not over 8 percent of water, such tow dyed and presented in the form of bundles of crimped product each containing 315,000 to 360,000 filaments, with each filament of 3.3 decitex and with a length greater than 2 m (provided for in subheading 5501.30.00) Free No change No change On or before 12/31/2020 . 1188. Acrylic or modacrylic staple fibers, not processed Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.13.06 Acrylic staple fibers (polyacrylonitrile staple) containing at least 85 percent by weight of acrylonitrile units and 2 percent or more but not over 3 percent of water, colored, crimped, with an average decitex of 3.0 (plus or minus 10 percent) and fiber length of 50 mm (plus or minus 10 percent) (provided for in subheading 5503.30.00) Free No change No change On or before 12/31/2020 . 1189. Modacrylic staple fibers with an average decitex of 2.2 and a fiber length of 38mm Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.13.07 Modacrylic staple fibers containing 35 percent or more but not over 85 percent by weight of acrylonitrile units