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%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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