PBT Polybutylene Terephthalate Tubing

Engineering PBT tubing for electrical insulation and hot water lines. Unreinforced 3917.32.00, no fittings; polyester polymer classification.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.1%+35.0%38.1%
🇲🇽Mexico3.1%+10.0%13.1%
🇨🇦Canada3.1%+10.0%13.1%
🇩🇪Germany3.1%+10.0%13.1%
🇯🇵Japan3.1%+10.0%13.1%

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.

3917.39.00Same rate: 38.1%

If other polyesters like PETG

Polyester family but different monomers.

3917.22.00Same rate: 38.1%

If glass-filled PBT

Common engineering reinforcement.

8544.49.90Higher: 38.9% vs 38.1%

If insulated electrical conduit

End-use as wiring protection shifts to Chapter 85.

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Import Tips & Compliance

Hydrolytic stability testing for hot water claims

PET vs PBT polymer distinction docs

Electrical safety certifications (UL, CSA)

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