Attapulgite Drilling Grade Clay from Canada
Fibrous attapulgite clay optimized for oil well drilling fluids, providing suspension properties. Classified under 2508.40.0150 as other clays in powdered or granular form for industrial use.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Certify yield strength and viscosity specs for drilling grade verification
• Ship in sealed super-sacks; note gel strength on commercial invoice