Polyethylene Flange Gasket
Full-face gaskets cut from high-density polyethylene sheets for sealing pipe flanges in low-pressure systems. HTS 3926.90.45 applies as a plastic gasket with polyethylene monomer units at 97% by weight.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If under 38.1 cm width and 45.7 cm length per US note
Small plastic sheets or plates for gaskets qualify for Free (B) under 3921 special provisions.
If flexible tubes or profiles used for sealing
Pipe profiles classify under 3917 if not specifically gaskets.
If floor coverings with sealing layer
Combined function shifts to Chapter 40 if rubber-plastic laminate predominates.
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Import Tips & Compliance
• Certify pressure class (e.g
• ANSI 150#) and include flange compatibility charts
• For chemically modified PE, classify per subheading note (a)(3) with modification details
Related Products under HTS 3926.90.45
Automotive Silicone Valve Cover Gasket
A flexible silicone gasket designed to seal the valve cover on internal combustion engines, preventing oil leaks. Classified under HTS 3926.90.45 as it is a plastic gasket used for sealing purposes in automotive applications. Made from silicone polymer meeting the chapter's polymer classification rules.
PVC Plumbing Washer Set
Flat ring-shaped washers made from polyvinyl chloride (PVC) used in pipe fittings to create watertight seals. Falls under HTS 3926.90.45 due to its function as a plastic washer for sealing in plumbing systems. Polymer content meets subheading note (a)(1) for PVC predominance.
Nitrile Rubber-Like Plastic O-Ring Seals
Circular cross-section O-ring seals made from synthetic nitrile-based plastic copolymer for hydraulic systems. Classified in 3926.90.45 as plastic seals where the named copolymer units exceed 95% by weight per subheading note (a)(2).
PTFE High-Pressure Washer
Teflon (PTFE) washers for high-pressure valves and fittings, offering chemical resistance and low friction. Falls under 3926.90.45 as a fluoropolymer plastic washer per polymer predominance rules.
Nylon Fuel Injector O-Ring
Polyamide (nylon) O-rings for sealing fuel injector connections in automotive systems. Classified as plastic seals under 3926.90.45 with polyamide-6,6 content over 95%.
Silicone Toilet Tank Gasket
Molded silicone gasket sealing toilet tank to bowl connection, preventing water leaks. HTS 3926.90.45 for household plastic gaskets, excluding photo albums per note.