Industrial Sodium Tripolyphosphate for Ceramics from Canada
STPP used in ceramics manufacturing as a deflocculant to disperse clay slips and control viscosity. As pure sodium triphosphate, it is classified in HTS 2835.31.00.00 under polyphosphates. Excluded from other chapters as a chemically defined inorganic compound.
Duty Rate — Canada → United States
11.4%
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 end-use statement for ceramics to facilitate bonding warehouse entry if needed
• Ensure pH and sequestration specs in SDS for industrial validation