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Nylon Rigid Capillary Tubes

Rigid polyamide-6 (nylon) capillary tubes <200 mm for medical fluid transfer and instrumentation. Classified 3917.29.00.50 for rigid tubes of other plastics like polyamides.

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%

Alternative Classifications

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

3917.31.00Same rate: 38.1%

If flexible polyamide hoses

Flexibility moves to flexible tubes subheadings.

3926.90.45Higher: 38.5% vs 38.1%

If as fittings or mounts for devices

Plastic office/machine fittings exclude tubes.

9018.90.75Lower: 35% vs 38.1%

If integral to medical instruments

Parts/accessories of medical instruments principal use over material.

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Import Tips & Compliance

• Comply with FDA regs for medical use; include sterilization certs

• Specify inner diameter and rigidity to differentiate from hoses

• Avoid chemical modification claims; unmodified nylon stays specific

Related Products under HTS 3917.29.00.50

Acrylic Rigid Tubing Cutoffs

Polymethyl methacrylate (acrylic) rigid tubing pieces less than 200 mm long, used in aquariums, displays, and lab equipment. Falls under HTS 3917.29.00.50 for rigid tubes of other plastics, distinguished by predominant monomer unit per subheading notes.

Polystyrene Rigid Straw Tubes

Rigid polystyrene tubes less than 200 mm, used as industrial straws or sample transport in labs. HTS 3917.29.00.50 applies to rigid tubes of styrene polymers as 'other plastics'.

Polypropylene Short Rigid Pipes

Wait, no—PP is 3917.22. But for copolymer blends where PP <95%, short rigid polypropylene-blend pipes <200 mm for chemical transport. Fits 3917.29.00.50 per note (a)(4) predominant monomer rule.

Rigid Fluoropolymer Tubes

Rigid PVDF (polyvinylidene fluoride) tubes <200 mm for corrosive chemical handling. HTS 3917.29.00.50 as rigid tubes of other plastics (fluoropolymers).

ASA Rigid Plumbing Stubs

Acrylonitrile-styrene-acrylate (ASA) copolymer rigid stubs <200 mm for outdoor plumbing. 3917.29.00.50 for rigid other plastics copolymers.

Rigid SAN Test Tubes

Styrene-acrylonitrile (SAN) rigid open tubes <200 mm for lab testing. Classed 3917.29.00.50 rigid other plastics.