NBR Block (Irregular)
Irregular blocks of NBR from latex coagulation, primary bulk form for further processing. Covered by HTS 4002.59.00.00 per Chapter Note 3(b) lumps/blocks.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If regular geometric block
Note 8 defines plates as regular geometric shapes.
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Import Tips & Compliance
• Photos showing irregular shape prevent 'plate' misclassification
• Confirm Mooney viscosity to prove uncompounded status
• Bulk shipping containers must not suggest retail packaging
Related Products under HTS 4002.59.00.00
NBR Powder Granules
Granular form of acrylonitrile-butadiene rubber (NBR) produced by spray drying latex, used in compounding for seals and gaskets. Falls under HTS 4002.59.00.00 as synthetic rubber in primary bulk form (granules), per Chapter Note 3(c).
NBR Solution (Non-Solvent)
Water-based solution of NBR polymers for textile coating, free of organic solvents or prohibited additives. Primary form classification under HTS 4002.59.00.00 per liquid definition.
Carboxylated NBR Latex
Latex of carboxylated acrylonitrile-butadiene rubber for improved adhesion in paper coatings. Still primary form synthetic rubber under HTS 4002.59.00.00.
Hydrogenated NBR Solution
Solution of hydrogenated NBR (HNBR) with improved heat resistance, primary liquid form. HTS 4002.59.00.00 as other synthetic rubber meeting vulcanization criteria.
NBR Oil-Resistant Granules
Granules of oil-resistant NBR formulation (high ACN), primary form for automotive seals. Classified HTS 4002.59.00.00 as uncompounded synthetic rubber.
NBR Masterbatch (Rubber Base)
NBR masterbatch with minimal permitted additives, retaining primary rubber character for hose extrusion. HTS 4002.59.00.00 allows small processing aids per Note 5(b).