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Corn Starch Acetate

Acetylated corn starch, an esterified form used in biodegradable plastics and coatings. HTS 3505.10.0040 covers this corn-derived esterified modified starch.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+20.0%20%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+60.0%60%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3911.90Lower: 19% vs 20%

If polymerized into plastic resins

Advanced esterified starches used as plastics fall under Chapter 39.

3505.10.00Same rate: 20%

If yellow dextrins specifically

Subheading 0020 for specific dextrin types; esters use 0040.

1108.14.00.00Higher: 25% vs 20%

If not chemically modified

Plain corn starch remains in Chapter 11 starches.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Document acetylation process and degree of substitution

• Biodegradability claims require third-party testing for customs

• Segregate from unmodified starch shipments