Dentistry Grade Phosphoric Acid Etchant from Japan
37% phosphoric acid gel for dental enamel etching prior to bonding composite restorations. Classified under HTS 2809.20.00.30 as phosphoric acid, though gelled, since base compound is chemically defined inorganic acid. Syringe-dispensed for professional dental use.
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
• Classify as acid despite gel form; rheology modifiers don't change heading
• Include biocompatibility testing for FDA 510(k) clearance
• Package to prevent leakage; declare as medical device component if applicable