Modified Corn Starch for Drilling Fluids from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Include MSDS and OSHA compliance docs
• Declare as industrial chemical, not food
• Temperature/shear stability specs required