2836.50.00.00/Calcium Carbonate Filler Masterbatch/Japan

Calcium Carbonate Filler Masterbatch from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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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