Winemaking Potassium Bitartrate Precipitate from China
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 — China → United States
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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