New

Ask Wove anything about tariffs.

Try Tariff Assistant

Polycaprolactone (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.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—Free

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3907.91.00Same rate: Free

If the PCL is an unsaturated polyester

Unsaturated polyesters are a distinct subheading within other polyesters.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Ensure the PCL pellets are not considered waste or scrap under heading 39.15, as primary forms are excluded from that heading

• Provide a certificate of analysis to confirm the polymer's composition and purity

• Check if the pellets are biodegradable in a way that might affect their classification under environmental regulations

Related Products under Tariff item 3907.99.00

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.

Celanex 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.

Copolyester 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.

Copolyester 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.

High 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.

Injection 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.