Other
Petroleum resins, coumarone-indene resins, polyterpenes, polysulfides, polysulfones and other products specified in note 3 to this chapter, not elsewhere specified or included, in primary forms: > Other: > Other: > Containing monomer units which are aromatic or modified aromatic, or which are obtained, derived or manufactured in whole or in part therefrom: > Thermosetting: > Other
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 3911.90.45.00
Phenolic Thermosetting Resin Pellets
Pellets of phenolic resin, a thermosetting polymer containing aromatic monomer units derived from phenol and formaldehyde, supplied in primary form for molding applications. Classified under HTS 3911.90.4500 as a thermosetting product specified in note 3, not elsewhere included, with aromatic components. Used in electrical insulators and automotive parts due to heat resistance.
Epoxy Thermosetting Resin Granules
Granules of bisphenol A-based epoxy resin, thermosetting with aromatic epoxy groups, in primary form for composite manufacturing. Falls under HTS 3911.90.4500 as other thermosetting products with aromatic monomer units not specified elsewhere. Essential for adhesives, coatings, and aerospace composites.
Polyaramid Thermosetting Powder
Fine powder of polyaramid (aromatic polyamide) thermosetting resin for high-performance coatings and laminates. HTS 3911.90.4500 covers this as other thermosetting with aromatic monomer units in primary form. Known for exceptional thermal stability in electronics.
Coumarone-Indene Thermoset Resin Flakes
Flakes of coumarone-indene resin modified to thermosetting state with aromatic monomers for adhesive and ink production. Specifically listed under 3911 primary forms, subheading 3911.90.4500 for thermosetting variants. Provides tack and flexibility in formulations.
Polysulfone Thermosetting Beads
Beads of polysulfone resin with thermosetting modifications containing aromatic sulfone units for medical device molding. HTS 3911.90.4500 as polysulfones specified in note 3, thermosetting primary form. Offers biocompatibility and sterilizability.
Aromatic Polyterpene Thermoset Prills
Prills of polyterpene resin derived from aromatic terpenes, thermosetting for pressure-sensitive adhesives. Covered by 3911.90.4500 as polyterpenes with aromatic modifications in primary form. Enhances adhesion in tapes and labels.
Modified Petroleum Thermoset Resin Lumps
Lumps of C9 petroleum resin modified with aromatic monomers to thermosetting form for tire cord adhesives. HTS 3911.90.4500 for petroleum resins containing aromatic units, primary lumps. Improves rubber-to-fabric bonding.
Aromatic Polysulfide Thermoset Pellets
Pellets of aromatic polysulfide resin (type Polysulfide rubber precursor) in thermosetting primary form for seals and gaskets. 3911.90.4500 covers polysulfides with aromatic units per note 3. Excellent chemical and ozone resistance.