Leucite Sand Substitute from Japan
Screened leucite particles (0.1-2mm) used as foundry sand substitute in metal casting molds due to high thermal stability. Classified HTS 2529.30.00 as sized but unworked leucite for industrial application. Angular grains provide superior mold strength versus silica sand.
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
• Include sieve analysis certification showing specific size fraction for foundry use
• Declare as 'refractory mineral' not construction sand to avoid 2517
• Test for respirable crystalline silica (<0.1%) for foundry safety compliance