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2919.90.50.50/Zinc Dialkyldithiophosphate (ZDDP)/Germany

Zinc Dialkyldithiophosphate (ZDDP) from Germany

ZDDP is a metal salt of phosphorodithioic acid used as extreme pressure lubricant additive. Though organo-sulfur, classified as phosphoric ester salt under HTS 2919.90.50.50 per note 5(C)(1). Essential in engine oils.

Duty Rate — Germany → United States

10%

Rate breakdown

9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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Import Tips

• Phosphorus/sulfur ratio certification critical

• API specifications documentation