New

Ask Wove anything about tariffs.

Try Tariff Assistant

Calcium Carbonate Filler Masterbatch from Canada

Masterbatch containing 70-80% calcium carbonate dispersed in polymer carrier, but classified under HTS 2836.50.00.00 when imported as chemical concentrate. Used for plastics compounding to reduce costs.

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

• Provide formulation sheets showing CaCO3 >50% to maintain inorganic compound status

• Sample for CBP chemistry lab if polymer content approaches 50% threshold

• Declare exact CaCO3/polymer ratio to prevent reclassification as plastic pellets