Containing 92 percent or more by weight of acrylonitrile units with filaments numbering fewer than 70,000 (+/-2000) with filament diameter 1.59 decitex (plus or minus 0.027) or less, or in a separable tow construction capable of being separated into tows of 70,000 (+/-2000) or fewer with filament diameter 1.59 decitex (plus or minus 0.027) or less.
Synthetic filament tow: > Acrylic or modacrylic > Containing 92 percent or more by weight of acrylonitrile units with filaments numbering fewer than 70,000 (+/-2000) with filament diameter 1.59 decitex (plus or minus 0.027) or less, or in a separable tow construction capable of being separated into tows of 70,000 (+/-2000) or fewer with filament diameter 1.59 decitex (plus or minus 0.027) or less.
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 5501.30.00.10
Acrylonitrile Filament Tow for Carbon Fiber Precursor
Synthetic filament tow containing 92% or more acrylonitrile units, with fewer than 70,000 filaments each of 1.59 decitex diameter or less, used as precursor material for carbon fiber production. This tow meets the precise filament count and diameter specifications outlined in HTS 5501.30.00.10, distinguishing it from broader acrylic tows.
Fine-Denier Acrylonitrile Tow for Aerospace Carbon Fiber
Precision-engineered acrylonitrile tow with 92+% acrylonitrile units, <70,000 filaments at 1.59 decitex max, optimized for aerospace-grade carbon fiber precursors. Meets HTS 5501.30.00.10's stringent separable tow and diameter criteria.
Carbon Fiber Precursor Acrylonitrile Tow Bundle
Bundled acrylonitrile filament tow (≥92% AN units) with exact <70,000 filament, ≤1.59 decitex specs in separable form for carbonization process. Specifically classified under HTS 5501.30.00.10.
High-Purity Acrylic Tow for Composite Reinforcement
Specialized acrylic filament tow with ≥92% acrylonitrile, featuring <70,000 fine filaments (≤1.59 decitex) in separable construction for carbon fiber precursors in composites. Classified under HTS 5501.30.00.10 due to exact filament specs for high-performance applications.
Separable Acrylic Tow for PAN-Based Carbon Fibers
Separable filament tow with ≥92% acrylonitrile, designed to divide into sub-tows of <70,000 filaments (≤1.59 decitex), for polyacrylonitrile (PAN) carbon fiber production. Directly matches HTS 5501.30.00.10 specifications.
Precision Acrylic Filament Tow for Industrial Precursor
Industrial-grade acrylic tow meeting ≥92% acrylonitrile, <70,000 filament count at ≤1.59 decitex specs for carbon fiber precursor in automotive and wind energy applications. Classified per HTS 5501.30.00.10 filament criteria.
Low-Denier PAN Tow for Advanced Composites
Low-denier polyacrylonitrile (PAN) tow with 92+% acrylonitrile content, precise <70,000 filaments at 1.59 decitex or less, for advanced composite materials. Fits HTS 5501.30.00.10 due to specialized filament parameters.
Specialty Fine-Filament Acrylic Tow
Specialty tow containing 92%+ acrylonitrile with fewer than 70,000 ultra-fine filaments (1.59 decitex max), separable for precision carbon fiber applications. Meets all HTS 5501.30.00.10 technical requirements.