NBR Foam Seals
Nitrile butadiene rubber (NBR) closed-cell foam seals for oil-resistant applications in engines. HTS 4016.10.00.00 covers this synthetic cellular vulcanized rubber, qualifying under Chapter note 2(b). Excellent resistance to fuels and chemicals.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If non-cellular NBR seals
Other rubber articles for specific unspecific uses.
If machinery sealing assemblies
Complete gasket kits classify as machine parts.
Not sure which classification is right?
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Import Tips & Compliance
• Provide ACR test results showing synthetic rubber compliance with vulcanization specs
• Avoid engine assembly import; standalone seals stay in Chapter 40
Related Products under HTS 4016.10.00.00
Neoprene Foam Gaskets
Closed-cell neoprene rubber gaskets used in machinery and automotive applications for vibration damping and sealing. Falls under HTS 4016.10.00.00 due to its vulcanized cellular rubber construction, providing resilience and chemical resistance. Not a hard rubber or excluded article per Chapter 40 notes.
Rubber Foam Bumpers
Soft cellular rubber bumpers for protecting furniture edges and machinery. Classified 4016.10.00.00 for vulcanized cellular rubber protective articles, not excluded under Chapter notes. High resilience prevents damage from impacts.
Silicone Sponge Rubber Sheets
High-temperature resistant cellular silicone rubber sheets for gasketing and insulation. Under 4016.10.00.00 as vulcanized cellular rubber per Chapter 40 definitions, suitable for extreme environments. Maintains flexibility from -60°C to 200°C.
CR Foam Pipe Insulation
Chloroprene (CR) rubber foam tubes for insulating plumbing and refrigeration pipes. Classified 4016.10.00.00 as cellular rubber articles, providing condensation control and thermal barrier. Pre-slit design for easy installation.
Rubber Foam Acoustic Panels
Cellular rubber panels with pyramid surface for sound absorption in studios and machinery enclosures. HTS 4016.10.00.00 for vulcanized cellular rubber articles, not Chapter 90 optical/sound appliances. Effective noise reduction without textile content.
Microcellular Rubber Edge Guards
Fine-cell microcellular rubber U-channel profiles for protecting sharp edges on glass and metal. Under 4016.10.00.00 as specific cellular rubber articles, offering cushioning superior to dense rubber. Used in furniture and automotive trim.