Polybutylene terephthalate
Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms. > Other polyesters: > Other > Polybutylene terephthalate
Duty Rate (from China)
Products classified under Tariff item 3907.99.00.10
Bio-based Polyethylene Furanoate (PEF) Granules
Bio-based polyethylene furanoate (PEF) granules are a sustainable polyester from furandicarboxylic acid and ethylene glycol, used for bottles and films. They are in primary forms and qualify as other polyesters under this tariff item since furanoate units predominate.
3907.99.00Celanex PBT Pellets
Celanex® 1600A polybutylene terephthalate (PBT) pellets, a pure resin used for automotive under-hood components and electrical parts. This product is a polyester in primary form, specifically PBT where the butylene terephthalate monomer units contribute 95% or more by weight, meeting the purity standards of subheading note 1. It is classified under tariff item 3907.99.00 as 'other polyesters' not elsewhere specified.
3907.99.00Copolyester Elastomer (COPE) Granules
Thermoplastic copolyester elastomer (COPE) granules, such as Hytrel, combining hard polyester segments with soft polyether segments, supplied in primary granules. These copolymers are classified under 3907.99.00 as other polyesters, as the polyester blocks predominate by weight over the polyether blocks, per chapter note 4. The product is in primary form and not covered by a more specific subheading.
3907.99.00Copolyester Elastomer (COPE) Pellets
Copolyester elastomer (COPE) pellets, like Hytrel, are thermoplastic elastomers combining polyester hard segments with polyether soft segments for hoses and belts. They are in primary forms and qualify as other polyesters where polyester units predominate over polyether units.
3907.99.00High IV Polyester Staple Fiber Resin
High intrinsic viscosity polyester staple fiber resin is specialized polyester chips for staple fiber production, not textile grade PET. It is in primary forms and qualifies as other polyesters under this tariff item with specialized IV greater than 0.70.
3907.99.00Injection Molding Grade PBT Resin
Injection molding grade PBT resin, optimized for high-speed production of thin-walled parts. This polybutylene terephthalate is in primary form (pellets) and meets the definition of a pure polyester under subheading note 1, with butylene terephthalate units contributing at least 95% by weight. It is classified under 3907.99.00 as 'other polyesters' in primary forms.
3907.99.00Liquid Crystal Polyester (LCP) Resin
High-performance liquid crystal polyester (LCP) resin for electronics connectors, featuring rigid aromatic monomers, in primary injection form. This polyester is classified under 3907.99.00 as other polyesters, as it is not specifically named in other subheadings and meets the definition of a polyester in primary form. The aromatic monomer units form ester linkages, and the product is not a composition with additives exceeding 1% by weight.
3907.99.00Liquid Crystal Polymer (LCP) Granules
Liquid crystal polymer (LCP) granules are high-performance polyesters with rigid rod-like molecules for electronics connectors and automotive parts. They are in primary forms and qualify as other polyesters where hydroxybenzoic acid and similar monomers predominate.
3907.99.00PBT Engineering Thermoplastic Granules
PBT engineering thermoplastic granules for connectors and housings in consumer electronics. These granules are pure polybutylene terephthalate in primary form, with the butylene terephthalate monomer contributing 95% or more by weight, as required by subheading note 1. They are classified under 3907.99.00 as other polyesters in primary forms.
3907.99.00Pocan PBT Granules
Pocan® B 1300 PBT granules for precision engineering parts in appliances. This polybutylene terephthalate is in primary granular form and meets the 95% monomer purity requirement for the 'poly' prefix under subheading note 1. It is classified under 3907.99.00 as other polyesters in primary forms.
3907.99.00Polyadipate Ester Resin Pellets
Polyadipate ester resin pellets, made from adipic acid and diols, used as plasticizers and in polyurethane production, imported as primary pellets. These polyesters are classified under 3907.99.00 as other polyesters, as they are not specifically named in other subheadings and meet the definition of a polyester in primary form. The adipic acid and diol monomers form ester linkages, and the product is not a composition with additives exceeding 1% by weight.
3907.99.00Polyarylate Resin Pellets
Polyarylate resin pellets from bisphenol A and isophthalic/terephthalic acids offer transparency for optical uses. They are in primary forms and qualify as other polyesters not specifically named in other headings.
3907.99.00Polybutylene Terephthalate (PBT) Resin
Polybutylene terephthalate (PBT) resin is a thermoplastic polyester resin in primary pellet form used for engineering plastics in automotive and electronics. It falls under this tariff item as an other polyester where terephthalic acid and butanediol units predominate.
3907.99.00Polybutylene Terephthalate Resin Pellets
Granular PBT resin pellets used as raw material for injection molding in automotive and electronics. These pellets are pure polybutylene terephthalate in primary form, with monomer units contributing 95% or more by weight, satisfying subheading note 1. They are classified under 3907.99.00 as other polyesters in primary forms.
3907.99.00Polycaprolactone (PCL) Thermoplastic Pellets
Polycaprolactone (PCL) thermoplastic pellets, a biodegradable polyester resin for 3D printing and adhesives, in primary pellet form. This polyester is classified under 3907.99.00 as other polyesters, as caprolactone is the predominant repeating unit forming ester linkages. The product is in primary form and meets the definition of a polyester under chapter note 1.
3907.99.00Polycyclohexylenedimethylene Terephthalate (PCT) Resin
Polycyclohexylenedimethylene terephthalate (PCT) resin is a high-temperature polyester for electrical components and fibers, imported as primary pellets. It fits this tariff item since cyclohexanedimethanol and terephthalic monomers predominate but lack a specific subheading.
3907.99.00Polyhydroxyalkanoate (PHA) Biopolymer Resin
Polyhydroxyalkanoate (PHA) biopolymer resin, a family of bio-based polyesters from bacterial fermentation, used in packaging films, in primary pellet form. This polyester is classified under 3907.99.00 as other polyesters, as hydroxyalkanoic acid monomer units form ester linkages. The product is in primary form and meets the definition of a polyester under chapter note 1.
3907.99.00Polytrimethylene Terephthalate (PTT) Pellets
Polytrimethylene terephthalate (PTT) pellets are semi-crystalline polyesters used in textiles, carpets, and films, supplied in primary form. They are classified as other polyesters since terephthalic and propanediol units predominate but do not have a specific subheading.
3907.99.00Radel LCP Copolymer Pellets
Radel LCP copolymer pellets are advanced thermoplastic liquid crystal aromatic polyester copolymers used in medical device housings and connectors. They are supplied in primary forms and consist of aromatic polyester units, qualifying under this tariff item as other polyesters.
3907.99.00Semitron LCP 4100 Resin
Semitron LCP 4100 resin is a high-performance thermoplastic liquid crystal aromatic polyester copolymer designed for ESD applications in electronics manufacturing. It is supplied in primary forms and consists of over 95% aromatic polyester units, falling under this tariff item as other polyesters.
3907.99.00Thermoplastic Polyester Elastomer TPEE Pellets
Thermoplastic polyester elastomer (TPEE) pellets for wire insulation and seals feature polyester crystallizable segments. They are in primary forms and qualify as other copolyesters where polyester exceeds other units by weight.
3907.99.00Unfilled PBT Thermoplastic Resin
Standard unfilled PBT thermoplastic resin for extrusion and molding without glass fiber reinforcement. This resin is pure polybutylene terephthalate in primary form, meeting the 95% monomer purity criterion of subheading note 1. It is classified under 3907.99.00 as other polyesters in primary forms.
3907.99.00Unsaturated Polyester Resin (Non-specific) Flakes
Unsaturated polyester resin (non-specific) flakes for composites beyond standard aromatic types, with maleic anhydride and diols. They are in primary forms and qualify as other polyesters not fitting the criteria for unsaturated polyester resin under a specific tariff item.
3907.99.00Unsaturated Polyester Resin (UPR)
Liquid unsaturated polyester resin (UPR) for fiberglass composites in marine and construction applications, supplied in primary form before curing. This polyester is classified under 3907.99.00 as other polyesters, as it is not specifically named in other subheadings and meets the definition of a polyester in primary form. The product is a liquid, which is a primary form under chapter note 6, and is not a composition with additives exceeding 1% by weight.
3907.99.00Valox PBT Polymer Resin
Commercial-grade Valox® PBT resin for injection molding applications requiring dimensional stability. This polybutylene terephthalate is in primary form and meets the 'poly' prefix definition under subheading note 1, with butylene terephthalate units at 95% or more by weight. It is classified under 3907.99.00 as other polyesters in primary forms.
3907.99.00Vectra E130i LCP Resin
Vectra E130i LCP resin is a thermoplastic liquid crystal polymer (LCP) copolymer resin composed of aromatic polyester units, supplied in pellet form for injection molding. It falls under this tariff item as other polyesters because it meets the criteria for primary forms and is not specifically named elsewhere.
3907.99.00Xydar G330 LCP Pellets
Xydar G330 LCP pellets are glass-filled thermoplastic liquid crystal aromatic polyester copolymers optimized for electrical connectors and automotive parts. They are in primary forms and consist of aromatic polyester units, qualifying under this tariff item as other polyesters.
3907.99.00Zenite 7141 LCP Compound
Zenite 7141 LCP compound is a mineral-filled thermoplastic liquid crystal aromatic polyester copolymer for under-hood automotive applications. It meets the criteria for this tariff item as other polyesters, with liquid crystal aromatic polyester monomers comprising the primary composition.