Winemaking Potassium Bitartrate Precipitate from Japan
Technical-grade cream of tartar recovered from wine fermentation, used to adjust acidity and stabilize wines by precipitating excess tartrates. Falls precisely under HTS 2918.13.2000 as potassium bitartrate, a carboxylic acid salt with alcohol function per Chapter 29 definitions. Typically imported in 25kg bags with anti-dusting agent for safe handling.
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
• TTB approval needed for wine additives; provide production process docs showing wine-derived origin
• Declare moisture content <1%—higher levels risk reclassification as 'crude' under note exclusions