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HSChapter 40
U.S. imports of acrylonitrile-butadiene rubber (nbr) — non-latex primary forms, plates, sheets & strip (HS 400259) totaled $9.5M in April 2026, traded with 20 countries.
Importers of Acrylonitrile-Butadiene Rubber (NBR) — Non-Latex Primary Forms, Plates, Sheets & Strip paid $781K in duties in April 2026 — an effective duty rate of 10% on $7.7M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataSolid nitrile rubber in primary forms — bales, crumbs, or pellets — as well as plates, sheets, and strip, is an essential compound for oil-resistant seals, O-rings, fuel hoses, and industrial rollers across automotive and aerospace supply chains. France is the leading US supplier under this heading, followed by South Korea and Japan. The entire heading is covered by tariff line 4002590000. Importers sourcing from Mexico may benefit from USMCA preferential treatment, subject to applicable rules of origin.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Standard acrylonitrile-butadiene rubber (NBR) is classified under heading 4002 as a synthetic rubber. Hydrogenated NBR (HNBR), which undergoes additional catalytic hydrogenation to improve heat and chemical resistance, may be classified differently depending on its degree of hydrogenation and whether it meets the HTS definition of synthetic rubber. Importers of HNBR should consult a licensed customs broker or request a binding ruling to confirm the correct tariff line.
HTS 4002590000 covers NBR in primary forms or as plates, sheets, and strip that have not been further worked into finished or semi-finished articles. Once NBR sheet is cut to shape, vulcanized into gaskets, or otherwise processed into a specific article, it typically advances to a different HTS chapter (e.g., Chapter 40 headings covering rubber articles). The degree of further processing and the product's commercial identity at the time of importation are the key classification factors.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| JAPAN | $3.1M | $785K | -$2.3M |
| MEXICO | $1.7M | $2.1M | +$357K |
| NETHERLANDS | -- | $3.6M | +$3.6M |
| KOREA, SOUTH | $2.1M | $1.6M | -$492K |
| CHINA | $36K | $3.2M | +$3.1M |
Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 4002590000 | ACRYLONITRILE-BUTADIENE RUBBER, EXC LATEX, NESOI | $9.5M | 10.12% | $781K |
ACRYLONITRILE-BUTADIENE RUBBER, EXC LATEX, NESOI
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 4002590000 | ACRYLONITRILE-BUTADIENE RUBBER, EXC LATEX, NESOI | $15.6M |
ACRYLONITRILE-BUTADIENE RUBBER, EXC LATEX, NESOI
1.0M kg
NEW PNEUMATIC TIRES OF RUBBER, FOR MOTOR CARS
HS 401110
NEW PNEUMATIC TIRES OF RUBBER, FOR BUSES OR TRUCKS
HS 401120
GASKET, WASHERS & OTHER SEALS, OF VULCANIZED RUB
HS 401693
ARTICLES OF SOFT VULCANIZED RUBBER NESOI
HS 401699
MEDICAL/SURGICAL/DENTAL/VET GLOVES, MITTENS, MITTS
HS 401512
NEW PNEUMATIC TIRES OF RUBBER, NESOI
HS 401190
| State | Imports | Exports | Balance |
|---|---|---|---|
| Texas | $1.9M | $10.2M | +$8.3M |
| Kentucky | $2.5M | $2.6M | +$94K |
| North Carolina | $1.9M | $357K | -$1.6M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| HOUSTON, TX | $708K | $7.4M | +$6.7M |
| NORFOLK-NEWPORT NEWS, VA | $979K | $1.6M | +$581K |
| BROWNSVILLE, TX | $1.7M | $488K | -$1.2M |