Anhydrous Potassium Stannate from Germany
Anhydrous potassium stannate (K2SnO3) is a high-purity, water-free form used in advanced electroplating solutions for corrosion-resistant tin coatings. Classified under HTS 2841.90.30.00 as the potassium salt of stannic acid, meeting Chapter 28 criteria for chemically defined oxometallic salts. It provides stable stannate ions without hydration interference in formulations.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Require supplier COA confirming anhydrous state to avoid hydration disputes; package in moisture-proof containers
• Pitfall: Bulk shipments without proper segregation risk contamination and reclassification