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HSChapter 40
U.S. imports of natural rubber latex, whether or not prevulcanized (HS 400110) totaled $4.1M in April 2026, traded with 26 countries.
Importers of Natural Rubber Latex, Whether or Not Prevulcanized paid $5K in duties in April 2026 — an effective duty rate of 9.4% on $53K in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataPrevulcanized and unvulcanized natural rubber latex — the liquid colloidal form of Hevea brasiliensis sap — is a critical input for dipped goods such as surgical gloves, condoms, and balloons, where film uniformity and protein content are closely monitored. Guatemala leads US supply, followed by Vietnam and Thailand, reflecting a geographically diverse sourcing base that helps importers manage crop-cycle and weather-related supply disruptions. The single US tariff line covering this heading is 4001100000, and the commodity enters duty-free under the general rate. Latex concentrations and ammonia-preservation levels are key specification parameters that affect classification and end-use suitability.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Both prevulcanized and unvulcanized natural rubber latex fall within the same tariff line (4001100000). Prevulcanization — partial cross-linking achieved before dipping — is a processing distinction relevant to end-use performance but does not create a separate classification; the heading explicitly covers both states.
Key parameters include dry rubber content (DRC), total solids content (TSC), ammonia level (high-ammonia vs. low-ammonia grades), mechanical stability time (MST), and volatile fatty acid (VFA) number. These affect shelf life, processing behavior, and suitability for medical versus industrial dipped goods, and should be confirmed against purchase contracts and certificates of analysis.
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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 |
|---|---|---|---|---|
| 4001100000 | NATURAL RUBBER LATEX, WHETHER OR NOT PREVULCANIZED | $4.1M | 9.37% | $5K |
NATURAL RUBBER LATEX, WHETHER OR NOT PREVULCANIZED
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 4001100000 | NATURAL RUBBER LATEX, WHETHER OR NOT PREVULCANIZED | $1.0M |
NATURAL RUBBER LATEX, WHETHER OR NOT PREVULCANIZED
455.1K 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 |
|---|---|---|---|
| Georgia | $1.6M | $147K | -$1.5M |
| Pennsylvania | $1.3M | $13K | -$1.3M |
| California | $377K | $43K | -$334K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| SAVANNAH, GA | $1.6M | $58K | -$1.6M |
| PHILADELPHIA, PA | $1.3M | $17K | -$1.3M |
| NEWARK, NJ | $537K | $57K | -$480K |