Cross-Linked Potato Starch for Drilling Fluids from Canada
Chemically cross-linked potato starch for oilfield drilling mud viscosifiers, HTS 3505.10.0015. High temperature stability. Industrial oil/gas application.
Duty Rate — Canada → 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
• API specifications documentation for oilfield acceptance
• Hazard class as non-DG but dusty irritant
• End-use declaration prevents chem prep confusion