Industrial Sodium Tripolyphosphate for Ceramics from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 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