PBT Polybutylene Terephthalate Tubing
Engineering PBT tubing for electrical insulation and hot water lines. Unreinforced 3917.32.00, no fittings; polyester polymer classification.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
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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