U.S. imports of Natural Rubber Latex, Whether or Not Prevulcanized (HS 400110) totaled $4.5M in August 2026, imported from 30 countries.
Importers of Natural Rubber Latex, Whether or Not Prevulcanized paid $7K in duties in August 2026, an average duty rate of 0.15% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Natural Rubber Latex, Whether or Not Prevulcanized imports of $4.5M in August 2026 ran 21% above the year-to-date monthly average of $3.7M.
Last updated: August 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.
124 import shipments a month
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.
Subheading 3 of 5 in heading 4001
Subheading 400110 · $4.5M of $112.4M
ImportsExports
Imports
$4.5MYoY · free account
Exports
$698KYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $46.5M of Natural Rubber Latex, Whether or Not Prevulcanized and exported $13.9M.
Through August 2026. Source: U.S. Census Bureau.
Imports · August 2026
origin
Guatemala and Vietnam together supply 94% of it.
customs district
destination
entry
rate provision · imports
98.4% enters free of duty; duty collected equals 0.15% of imports for consumption.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 4001100000 | Natural Rubber Latex, Whether or not Prevulcanized | $4.5M | 0.15% | 1.63% | $7K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 4001100000 | Natural Rubber Latex, Whether or not Prevulcanized | $698K |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
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