Liquid Crystal Polyester (LCP) Resin
High-performance liquid crystal polyester resin for electronics connectors, featuring rigid aromatic monomers, in primary injection form. Classifies under HTS 3907.99.5050 as unspecified aromatic 'other polyesters'.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If specific aromatic polyester subheading
LCP's unique rigid-rod structure may qualify for specialized aromatic polyester provisions.
If significantly chemically modified
Modifications beyond base polymer per note (a)(3) classify as 'other' polymers.
If electronic grade with purity specs
Ultra-pure polymers for semiconductors may classify as insulated wire components.
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Import Tips & Compliance
• Certify thermotropic liquid crystal phase behavior and monomer ratios for classification support
• Ensure no glass fiber pre-compounding which shifts to article headings
• High-value imports require precise invoice monomer declarations
Related Products under HTS 3907.99.50.50
Polybutylene Terephthalate (PBT) Resin
Polybutylene terephthalate (PBT) is a thermoplastic polyester resin in primary pellet form used for injection molding in automotive and electrical components. It falls under HTS 3907.99.5050 as 'other polyesters, other' because PBT is a polyester where terephthalic acid and butanediol monomers predominate by weight, not specifically named elsewhere in the heading.
Polytrimethylene Terephthalate (PTT) Pellets
PTT resin pellets are a polyester produced from terephthalic acid and 1,3-propanediol, used in textiles and engineering plastics. Classified in 3907.99.5050 as it qualifies as 'other polyesters' where the ester monomers predominate by weight over other units.
Unsaturated Polyester Resin (UPR)
Liquid unsaturated polyester resin for fiberglass composites in marine and construction applications, supplied in primary form before curing. It enters HTS 3907.99.5050 as 'other polyesters' per predominant dicarboxylic acid/diol monomer content per subheading note (a).
Polycaprolactone (PCL) Thermoplastic Pellets
Biodegradable polyester polycaprolactone resin in pellet form for 3D printing and adhesives. Falls under 3907.99.5050 as other polyesters with caprolactone as predominant repeating unit forming ester linkages.
Polyhydroxyalkanoate (PHA) Biopolymer Resin
PHA is a family of bio-based polyesters from bacterial fermentation, used in packaging films, in primary pellet form. Classified HTS 3907.99.5050 as other polyesters based on hydroxyalkanoic acid monomer units forming ester bonds predominating by weight.
Polyadipate Ester Resin Pellets
Polyadipate polyesters from adipic acid and diols, used as plasticizers and in polyurethane production, imported as primary pellets. HTS 3907.99.5050 covers these as other polyesters meeting predominant monomer criteria.