NBR Foam Seals
NBR foam seals are closed-cell nitrile butadiene rubber seals used in oil-resistant applications such as engines. They are classified under tariff item 4016.10.00 as synthetic cellular vulcanized rubber articles, qualifying under Chapter 40 notes for their resistance to oils and fuels.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 6.5% | — | 6.5% |
| 🇲🇽Mexico | 6.5% | — | 6.5% |
| 🇺🇸United States | 6.5% | — | 6.5% |
| 🇩🇪Germany | 6.5% | — | 6.5% |
| 🇯🇵Japan | 6.5% | — | 6.5% |
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 the seals are imported as sheets or rolls of NBR foam.
Cellular rubber in sheet form is classified under heading 4008.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify the NBR foam is vulcanized and meets the synthetic rubber definition in Chapter Note 4
• If the seals are cut to specific shapes for engines, they are articles of 4016; if in sheet form, consider 4008
• Provide CBSA with material safety data sheets and technical data on oil resistance
Related Products under Tariff item 4016.10.00
Cellular Rubber Door Seals
Cellular rubber door seals are extruded foam rubber profiles designed for automobile and appliance doors, providing an airtight closure. They are classified under tariff item 4016.10.00 as articles of vulcanized cellular rubber, distinct from profile shapes of heading 40.08 due to their specific article character.
Cellular Rubber Packing
Cellular rubber packing consists of sponge rubber material used for cushioning fragile goods during shipping. It is classified under tariff item 4016.10.00 as a vulcanized cellular rubber article, offering lightweight, reusable protection that compresses to fit irregular shapes.
Cellular Rubber Weatherstripping
Cellular rubber weatherstripping is expanded rubber strips used to seal gaps in doors and windows, preventing air and water infiltration. It falls under tariff item 4016.10.00 as a vulcanized cellular rubber article designed for insulation and sealing, not as a simple profile shape.
CR Foam Pipe Insulation
CR foam pipe insulation consists of chloroprene rubber foam tubes used to insulate plumbing and refrigeration pipes, providing condensation control and a thermal barrier. These are classified under tariff item 4016.10.00 as cellular rubber articles, with a pre-slit design for easy installation.
Cross-Linked Polyethylene Foam Rubber Seals
Cross-linked polyethylene foam rubber seals are chemically cross-linked PE foam products that qualify as cellular rubber seals for waterproofing. They are classified under tariff item 4016.10.00 when meeting the synthetic rubber vulcanization tests, used in construction and marine applications with closed-cell structure.
Foam Rubber Vibration Mounts
Foam rubber vibration mounts are cellular rubber components designed to isolate vibrations in equipment and vehicles. They are classified under tariff item 4016.10.00 as vulcanized cellular rubber articles, with a tuned cell structure that optimizes damping performance.