Tincal Crude Borax Ore from Japan
Tincal is crude native borax found in Tibetan salt lakes (solid form), concentrated without brine separation for glassmaking. Classified in HTS 2528.00.00 as natural sodium borate, it's the historical source of refined borax. Supplied in lumps or ground form.
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
• Document solid deposit origin to exclude brine-separated borates
• Impurity tolerance analysis prevents synthetic misclassification