Fluoropolymer PTFE Monofilament

Polytetrafluoroethylene (PTFE) monofilament exceeding 1 mm, used in chemical-resistant applications. HTS 3916.90.3000 for other plastics monofilament, tetrafluoroethylene units predominating. Surface-worked rods/sticks.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+35.0%41.5%
🇲🇽Mexico6.5%+10.0%16.5%
🇨🇦Canada6.5%+10.0%16.5%
🇩🇪Germany6.5%+10.0%16.5%
🇯🇵Japan6.5%+10.0%16.5%

Alternative Classifications

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

3926.90.45Lower: 38.5% vs 41.5%

If machined for seals/gaskets

Further worked into parts becomes other plastic articles.

5903.90.20.00Lower: 35% vs 41.5%

If textile-coated

Coated with textile materials shifts to Chapter 59 impregnated products.

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Import Tips & Compliance

Provide chemical analysis for PTFE confirmation; note high-temperature processing limits; declare as virgin material

Related Products under HTS 3916.90.30.00

Nylon Fishing Line Monofilament

Thick nylon monofilament used as fishing line, with a diameter exceeding 1 mm, ideal for heavy-duty angling. It falls under HTS 3916.90.3000 because it is a monofilament of polyamide plastics (other plastics) where any cross-sectional dimension exceeds 1 mm and is not further worked beyond surface treatments. This classification applies to unprocessed forms before braiding or weaving.

Polypropylene Brush Bristle Monofilament

Rigid polypropylene monofilament rods exceeding 1 mm in diameter, used for manufacturing industrial brush bristles. Classified in HTS 3916.90.3000 as a profile shape of other plastics (polypropylene), surface-worked but not further processed into finished brushes. Meets chapter notes for polymers where propylene monomer predominates.

Polyester Weed Trimmer Line Monofilament

High-strength polyester monofilament with cross-section over 1 mm, supplied in bulk spools for string trimmers and lawn edgers. HTS 3916.90.3000 covers this as monofilament of other plastics (polyesters), not further worked. Polymer composition follows predominance rule for ethylene terephthalate units.

Acrylic Monofilament Rods for Crafts

Transparent acrylic (PMMA) monofilament rods over 1 mm diameter, used in model making and craft projects. Falls under HTS 3916.90.3000 as monofilament of other plastics, meeting polymer note (a)(1) for ≥95% methyl methacrylate content. Surface-worked but not shaped further.

PVC Monofilament for Beading

Flexible polyvinyl chloride monofilament exceeding 1 mm cross-section, used as cord for beading and jewelry making. Classified in 3916.90.3000 as other plastic monofilament, with PVC vinyl chloride units predominating per subheading notes. Not further processed beyond extrusion.

Polyethylene Monofilament Fence Line

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