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Coated Calcium Carbonate Stearic Acid from Germany

Calcium carbonate particles surface-treated with stearic acid for hydrophobic properties, still classified as base compound under HTS 2836.50.00.00 if coating <5%. Used in polyolefin films and sheets.

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

• Quantify coating percentage via TGA analysis (<5% maintains compound status)

• Test for dispersion quality in LLDPE matrix per ASTM standards

• Declare organic coating components separately on entry documents