Dentistry Grade Phosphoric Acid Etchant from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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