Propylene copolymers
Polymers of propylene or of other olefins, in primary forms. > Polyisobutylene > Propylene copolymers
Duty Rate (from China)
Subheadings
Products classified under Tariff item 3902.30
Automotive-Grade Propylene-Butene Copolymer
Automotive-grade propylene-butene copolymer pellets, where propylene exceeds 95% by weight, are used to produce thermoplastic polyolefin (TPO) compounds for automotive exterior parts. The butene comonomer enhances weather resistance and impact performance. As primary forms of a propylene copolymer, they fall under tariff item 3902.30.00.
3902.30.00Blow Molding Propylene Copolymer Pellets
Blow molding propylene-ethylene copolymer pellets, with 96% propylene by weight, are designed for producing bottles with balanced stiffness and impact resistance. The ethylene comonomer improves processability and durability. These primary-form pellets are classified as propylene copolymers under tariff item 3902.30.00.
3902.30.00Film-Grade Propylene Random Copolymer
Film-grade propylene random copolymer, with 95.5% propylene by weight, is used for cast films in food packaging due to its low seal initiation temperature. The random distribution of ethylene comonomer provides clarity and flexibility. As a primary-form resin, it falls under tariff item 3902.30.00 for propylene copolymers.
3902.30.00High-Clarity Propylene Copolymer Resin
High-clarity propylene copolymer resin pellets, with 97% propylene by weight, are engineered for optical clarity in medical packaging. The ethylene comonomer enhances transparency and impact resistance. These primary-form pellets are classified as propylene copolymers under tariff item 3902.30.00.
3902.30.00Impact-Resistant Propylene Copolymer Pellets
Impact-resistant propylene copolymer pellets, with propylene units exceeding 95% by weight and butene as comonomer, are designed for high-impact applications such as automotive bumpers. The butene comonomer improves toughness and low-temperature performance. These primary-form pellets fall under tariff item 3902.30.00.
3902.30.00Injection Molded Propylene Copolymer Pellets
Injection molded propylene copolymer pellets, with 97% propylene-hexene composition, are optimized for precision injection molding of housings. The hexene comonomer provides dimensional stability and improved mechanical properties. These primary-form pellets are classified as propylene copolymers under tariff item 3902.30.00.
3902.30.00Medical-Grade Propylene Copolymer Resin
Medical-grade propylene copolymer resin, with 98% propylene and minimal ethylene, is sterilizable and gamma-stable, making it suitable for syringes and IV bags. The ethylene comonomer enhances flexibility and clarity. As primary-form granules, it falls under tariff item 3902.30.00.
3902.30.00Pipe-Grade Propylene Copolymer Resin
Pipe-grade propylene copolymer resin, with 96% propylene and ethylene for bimodal distribution, is designed for pressure pipes with enhanced creep resistance. The ethylene comonomer improves long-term durability. As primary powder form, it falls under tariff item 3902.30.00.
3902.30.00Polypropylene-Ethylene Copolymer Resin
Polypropylene-ethylene copolymer resin, where propylene monomer units contribute over 95% by weight, is used primarily in injection molding applications. The ethylene comonomer provides improved impact resistance and processability. As primary-form resin, it falls under tariff item 3902.30.00.
3902.30.00Random Polypropylene Copolymer Granules
Random polypropylene copolymer granules, with propylene exceeding 95% by weight and ethylene as comonomer, are used for transparent packaging films. The random distribution provides clarity and flexibility over homopolymer. As primary-form granules, they fall under tariff item 3902.30.00.