Polypropylene
Polymers of propylene or of other olefins, in primary forms: > Polypropylene
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 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
Products classified under HTS 3902.10.00.00
Isotactic Polypropylene Homopolymer
A high-molecular-weight isotactic polypropylene homopolymer where propylene monomer units constitute over 95% by weight, produced via Ziegler-Natta catalysis for superior crystallinity. Classified under HTS 3902.10.00.00 as it meets the subheading note (a)(1) for polymers prefixed 'poly' with predominant monomer content. Used in injection molding for rigid containers and automotive parts.
Polypropylene Impact Copolymer (ICP)
An impact-modified copolymer of propylene and ethylene where propylene units exceed 95% by weight, enhancing low-temperature toughness for applications like battery cases. Falls under HTS 3902.10.00.00 per subheading note (a)(1) as 'polypropylene' due to dominant monomer content. Primarily used in consumer electronics housings.
Metallocene Polypropylene Homopolymer
A narrow molecular weight distribution polypropylene homopolymer (>95% propylene units) produced using metallocene catalysts for films and fibers with uniform properties. HTS 3902.10.00.00 applies via subheading note (a)(1) for pure propylene polymers in primary forms like pellets. Ideal for BOPP film production.
High-Density Polypropylene Resin Pellets
Transparent pellets of high-density polypropylene homopolymer (propylene >95% by weight) for extrusion into pipes and profiles. Classified in HTS 3902.10.00.00 as primary form polymer meeting homopolymer purity per subheading note (a)(1). Features high stiffness for industrial plumbing.
Clarified Polypropylene Homopolymer
Nucleated clarified PP homopolymer with >95% propylene content for clear packaging like food containers, offering glass-like clarity. HTS 3902.10.00.00 per note (a)(3) as chemically modified but not specifically covered elsewhere. Primary form resins for thermoforming.
Random Copolymer Polypropylene (RCP)
Random copolymer PP with minimal ethylene (<5%) for improved clarity and impact in medical syringes. Qualifies for HTS 3902.10.00.00 as propylene units >95% per subheading note (a)(1). Pellets in primary form for medical-grade injection molding.
Flame-Retardant Polypropylene Resin
PP homopolymer compounded with <5% halogen-free flame retardants, propylene >95%, for electronic enclosures. Remains HTS 3902.10.00.00 as primary form per note (a)(3) for minor modifications. Granules for compounding.
Biaxially Oriented Polypropylene (BOPP) Feedstock
Specialty homopolymer PP pellets (>95% propylene) designed for BOPP film extrusion, with tailored rheology. HTS 3902.10.00.00 as primary form olefin polymer per note (a)(1). Not yet oriented film.