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3824.99.39.90/Magnesium Chloride and Calcium Fluoride Flux Mixture/Japan

Magnesium Chloride and Calcium Fluoride Flux Mixture from Japan

Powdered mixture of magnesium chloride and calcium fluoride used as a foundry flux to clean metal surfaces and improve mold-metal interface during casting. Falls under HTS 3824.99.39.90 as other inorganic compound mixtures for metallurgical processes. Reduces casting defects by removing oxides and sulfides.

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 flux efficacy test data from foundry trials; ensure fluoride content labeling complies with OSHA standards; segregate from organic fluxes during storage to maintain classification

Magnesium Chloride and Calcium Fluoride Flux Mixture from Japan — Import Duty Rate | HTS 3824.99.39.90