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PEEK Polymer Chemical Transfer Hose

Flexible polyether ether ketone (PEEK) hose for transferring corrosive chemicals in industrial processes, rated for 27.6 MPa burst pressure. HTS 3917.31.00.00 applies to its high-performance plastic flexible tube properties.

Import Duty Rates by Country of Origin

Origin Country	MFN Rate	Ch.99 Surcharges	Total Effective Rate
🇨🇳China	3.1%	+37.5%	40.6%
🇲🇽Mexico	3.1%	+10.0%	13.1%
🇨🇦Canada	3.1%	+10.0%	13.1%
🇩🇪Germany	Free	+10.0%	10%
🇯🇵Japan	Free	+12.5%	12.5%

Alternative Classifications

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

3917.40.00Higher: 42.8% vs 40.6%

If with plastic threaded fittings

Fittings-attached hoses have special duty note applicability.

3926.90.99Lower: 25.3% vs 40.6%

If for laboratory or specific end-use

Other plastic articles for lab use may shift headings.

4009Lower: 15% vs 40.6%

If rubber tube with plastic liner

Rubber base with plastic secondary goes to Chapter 40.

Not sure which classification is right?

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

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Import Tips & Compliance

• Chemical resistance certs essential; declare PEEK monomer predominance

Related Products under HTS 3917.31.00.00

High-Pressure Nylon Fuel Line Hose

A flexible nylon-reinforced hose designed for automotive fuel delivery systems, capable of withstanding a minimum burst pressure of 27.6 MPa. It falls under HTS 3917.31.00.00 due to its flexible plastic construction and high-pressure rating, distinguishing it from lower-pressure hoses in other subheadings.

Reinforced Polyurethane Hydraulic Hose

A multi-layer polyurethane hose reinforced with textile braiding for hydraulic applications in heavy machinery, meeting the 27.6 MPa minimum burst pressure. Classified under HTS 3917.31.00.00 as a flexible plastic tube designed for high-pressure fluid transfer.

PTFE-Lined High-Pressure Air Hose

A flexible hose with a polytetrafluoroethylene (PTFE) inner liner and plastic outer reinforcement for compressed air systems in industrial tools, rated at 27.6 MPa burst pressure. It qualifies for HTS 3917.31.00.00 based on its plastic composition and pressure specifications.