Unsaturated
Prepared binders for foundry moulds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included. > Other polyesters: > Unsaturated > Unsaturated
Duty Rate (from China)
Subheadings
Products classified under Tariff item 3907.91
Allyl Diglycol Carbonate Resin Flakes
CR-39 monomer resin (allyl diglycol carbonate) in flake primary form, used for optical lens casting. It is an unsaturated polyester resin, classified under this tariff item as an allyl resin with allyl monomer units exceeding 95% by weight.
3907.91.00Allyl Methacrylate Ester Copolymer Resin
Copolymer resin of allyl methacrylate unsaturated polyester in primary liquid form, used for dental composites. It is classified under this tariff item as an allyl resin where allyl units meet the 95% threshold per the subheading notes.
3907.91.00Allyl Phenol Formaldehyde Hybrid Resin
Hybrid unsaturated allyl-modified phenolic polyester resin in primary form, used for electrical laminates. It is classified under this tariff item as an allyl polyester where allyl exceeds other monomers by weight per the note criteria.
3907.91.00Diallyl Isophthalate Resin Granules
Unsaturated polyester resin based on diallyl isophthalate in granular primary form, used for high-performance composites. It is classified under this tariff item as an allyl resin with allyl ester structure and more than 95% qualifying monomer content.
3907.91.00Diallyl Phthalate Resin Pellets
Diallyl phthalate (DAP) resin in primary pellet form, an unsaturated polyester allyl resin used for molding compounds in electrical insulators. It is classified under this tariff item as an allyl resin meeting the 95% monomer content rule.
3907.91.00Divinylbenzene Allyl Copolymer Granules
Cross-linked unsaturated polyester copolymer of divinylbenzene and allyl esters in granule form, used for ion exchange resins. It is classified under this tariff item as an allyl-dominant primary polymer per the subheading notes.
3907.91.00Methallyl Acrylate Allyl Resin Pellets
Thermosetting pellets of methallyl acrylate-allyl copolymer, an unsaturated polyester used for encapsulation. It is classified under this tariff item as an allyl resin meeting the 95% rule for primary forms.
3907.91.00Pentaerythritol Tetraallyl Ether Resin Beads
Unsaturated polyester allyl resin from pentaerythritol tetraallyl ether in bead primary form, used for UV-curable coatings. It is classified under this tariff item as an allyl resin meeting the polymer content rules in the subheading notes.
3907.91.00Pure Uncompounded Triallyl Cyanurate Resin
Triallyl cyanurate (TAC) resin in uncompounded primary form, used as a cross-linking agent for rubbers and composites. It is an unsaturated polyester resin, classified under this tariff item as an allyl resin where allyl units constitute 95% or more by weight of the polymer content.
3907.91.00Tetraallyloxyethane Polymer Resin
Multi-allyl functional unsaturated polyester from tetraallyloxyethane in primary syrup form, used for potting compounds. It is classified under this tariff item as an allyl resin meeting the polymer definition for unsaturated polyesters.
3907.91.00Uncompounded Allyl Diglycol Carbonate Resin
Allyl diglycol carbonate (CR-39) resin in uncompounded primary form, used as the base material for optical lenses and eyewear. It is an unsaturated polyester resin, classified under this tariff item as an allyl resin with allyl units comprising 95% or more by weight.
3907.91.00Uncompounded Allyl Ester Polyester Resin Grade A
Industrial grade A uncompounded allyl ester polyester resin in primary flake form, used for molding electrical components. It is an unsaturated polyester resin, classified under this tariff item as an allyl resin where allyl monomer units exceed 95% by weight.
3907.91.00Uncompounded Allyl Resin Diallyl Phthalate
Diallyl phthalate (DAP) resin in primary, uncompounded form, a thermosetting unsaturated polyester allyl resin used for molding compounds in electrical insulators. It is classified under this tariff item as an uncompounded allyl resin with the required monomer content.
3907.91.00Uncompounded Allyl Resin for Electrical Laminates
Specialty uncompounded allyl resin formulated for electrical grade laminates and circuit boards, supplied in primary powder form. It is an unsaturated polyester resin, classified under this tariff item as an allyl resin with allyl monomer units exceeding 95% by weight.
3907.91.00Uncompounded Diallyl Isophthalate Allyl Resin
Diallyl isophthalate (DAIP) resin, an uncompounded allyl polyester in primary granular form, used in high-performance composites for aerospace. It is classified under this tariff item as an allyl resin where allyl monomer units exceed 95% by weight.