3505.10.00.40/Modified Corn Starch for Drilling Fluids/China

Modified Corn Starch for Drilling Fluids from China

High-stability modified corn starch used in oil drilling muds for viscosity control. Falls under HTS 3505.10.0040 as corn-derived modified starch for industrial use.

Duty Rate — China → United States

20%

Rate breakdown

9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

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Import Tips

• Include MSDS and OSHA compliance docs

• Declare as industrial chemical, not food

• Temperature/shear stability specs required