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HSChapter 35
U.S. imports of dextrins and other modified starches (HS 350510) totaled $31.9M in April 2026, traded with 32 countries.
Importers of Dextrins and Other Modified Starches paid $3.4M in duties in April 2026 — an effective duty rate of 11% on $30.3M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataModified starches and dextrins are critical functional ingredients in food processing, papermaking, textile sizing, and adhesive manufacturing, and the US tariff schedule segments them by starch source: potato-derived dextrins (3505100015), corn (maize)-derived modified starches (3505100040), potato-derived modified starches (3505100045), and residual categories for other dextrins and modified starches. Australia leads US imports under this heading, followed by China and Thailand. Because food-grade modified starches are subject to FDA review, importers should ensure that foreign manufacturers are registered and that product specifications align with intended end-use labeling.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
The US HTS distinguishes modified starches by botanical origin — corn (maize) and potato each have dedicated lines (3505100040 and 3505100045 respectively), while other sources fall into the NESOI line (3505100092). Misclassifying by source can result in incorrect duty assessment, so importers should obtain a certificate of origin or technical specification confirming the raw starch feedstock.
Demand comes from several converging industries: food manufacturers use modified starches as thickeners and stabilizers; paper and board producers rely on them for surface sizing; and adhesive formulators use dextrins as binders. This multi-sector demand means import volumes can be influenced by conditions in any of these industries simultaneously.
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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 |
|---|---|---|---|---|
| 3505100092 | MODIFIED STARCHES, NESOI | $14.9M | 10.38% | $1.5M |
| 3505100020 | DEXTRINS, NESOI | $10.3M | 14.04% | $1.3M |
| 3505100045 | MODIFIED STARCHES, DERIVED FROM POTATO STARCH | $3.8M | 9.03% | $344K |
| 3505100015 | DEXTRINS, DERIVED FROM POTATO STARCH | $1.6M | 10.34% | $164K |
| 3505100040 | MODIFIED STARCHES DERIVED FROM CORN (MAIZE) STARCH | $1.3M | 11.14% | $103K |
MODIFIED STARCHES, NESOI
DEXTRINS, NESOI
MODIFIED STARCHES, DERIVED FROM POTATO STARCH
DEXTRINS, DERIVED FROM POTATO STARCH
MODIFIED STARCHES DERIVED FROM CORN (MAIZE) STARCH
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3505100040 | MODIFIED STARCHES DERIVED FROM CORN (MAIZE) STARCH | $23.5M |
| 3505100092 | MODIFIED STARCHES, NESOI | $11.0M |
| 3505100015 | DEXTRINS, DERIVED FROM POTATO STARCH | $3.0M |
| 3505100020 | DEXTRINS, NESOI | $2.9M |
| 3505100045 | MODIFIED STARCHES, DERIVED FROM POTATO STARCH | $581K |
MODIFIED STARCHES DERIVED FROM CORN (MAIZE) STARCH
11.4M kg
MODIFIED STARCHES, NESOI
6.8M kg
DEXTRINS, DERIVED FROM POTATO STARCH
1.2M kg
DEXTRINS, NESOI
3.3M kg
MODIFIED STARCHES, DERIVED FROM POTATO STARCH
627.1K kg
ENZYMES AND PREPARED ENZYMES, NESOI
HS 350790
PEPTONES, OTHER PROTEINS & DERIV ETC; HIDE POWDER
HS 350400
ADHESIVES BASED ON RUBBER,POLMR OF HD3901-3913,NES
HS 350691
GELATIN & DERIV; ISINGLASS; GLUES, ANIMAL OR NESOI
HS 350300
MILK ALBUMIN,INC CONCEN OF 2 OR MORE WHEY PROTEINS
HS 350220
PROD USE AS GLUE/ADHESIVE, FOR SALE, NT WT <= 1 KG
HS 350610
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LONG BEACH, CA | $6.6M | $2.4M | -$4.3M |
| NEWARK, NJ | $5.0M | $2.7M | -$2.3M |
| PORT HURON, MI | $785K | $6.3M | +$5.5M |