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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• API specifications documentation for oilfield acceptance
• Hazard class as non-DG but dusty irritant
• End-use declaration prevents chem prep confusion