Cross-Linked Potato Starch for Drilling Fluids from Mexico
Chemically cross-linked potato starch for oilfield drilling mud viscosifiers, HTS 3505.10.0015. High temperature stability. Industrial oil/gas application.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• API specifications documentation for oilfield acceptance
• Hazard class as non-DG but dusty irritant
• End-use declaration prevents chem prep confusion