Carboxylated NBR Latex
A latex of carboxylated acrylonitrile-butadiene rubber (XNBR) used for paper coatings, with improved adhesion properties. It is a liquid primary form of synthetic rubber under Chapter Note 3(a), and the carboxylation does not remove it from heading 40.02. It is classified as other NBR under tariff item 4002.59.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
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Import Tips & Compliance
• Confirm the latex does not contain fillers or plasticisers beyond permitted limits, as these would exclude it from heading 40.02
• Provide a certificate of analysis to CBSA if requested, showing the carboxylated NBR content and absence of prohibited additives
Related Products under Tariff item 4002.59.00
Blended NBR Latex
A latex blend of acrylonitrile-butadiene rubber (NBR) with emulsifiers, presented as a liquid dispersion for use in carpet backing. It is a primary form of synthetic rubber under Chapter Note 3(a), and the emulsifiers are permitted additives under Chapter Note 5(B)(i). It falls under tariff item 4002.59.00 as NBR not otherwise specified.
High-ACN NBR Pellets
Pelletized acrylonitrile-butadiene rubber (NBR) with high acrylonitrile content, in granular primary form for oil-resistant applications. It is a primary bulk form under Chapter Note 3(b), and the pellets are not compounded with prohibited substances. It falls under tariff item 4002.59.00 as other NBR.
Hydrogenated NBR Solution
A solution of hydrogenated acrylonitrile-butadiene rubber (HNBR) in a liquid form, offering improved heat resistance. It is a primary form under Chapter Note 3(a), and the HNBR meets the vulcanisation and elongation criteria of Chapter Note 4. It is classified as other NBR under tariff item 4002.59.00.
Liquid NBR Paste
A high-solids paste of acrylonitrile-butadiene rubber (NBR) for adhesive and sealant formulations, in primary liquid form without cross-linking. It is a paste under Chapter Note 3(a), and the absence of vulcanising agents keeps it in heading 40.02. It falls under tariff item 4002.59.00 as other NBR.
NBR Bale (Compounded-Free)
Baled solid acrylonitrile-butadiene rubber (NBR) in primary form, free of vulcanising agents or fillers, for custom compounding. It is a bulk primary form under Chapter Note 3(b), and the absence of prohibited additives complies with Chapter Note 5. It falls under tariff item 4002.59.00 as other NBR.
NBR Block (Irregular)
Irregular blocks of acrylonitrile-butadiene rubber (NBR) from latex coagulation, in primary bulk form for further processing. They are lumps or blocks under Chapter Note 3(b), and the rubber is uncompounded. It falls under tariff item 4002.59.00 as other NBR.