PBT Polybutylene Terephthalate Tubing from Japan
Engineering PBT tubing for electrical insulation and hot water lines. Unreinforced 3917.32.00, no fittings; polyester polymer classification.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Hydrolytic stability testing for hot water claims
• PET vs PBT polymer distinction docs
• Electrical safety certifications (UL, CSA)