Purple K Potassium Bicarbonate Fire Extinguisher Powder from China
High-performance dry chemical powder (KHCO3-based) for Class B/C fire extinguishers, known for superior metal fire suppression. Classifies in HTS 3813.00.5000 as specialized fire extinguisher preparation. Popular in aviation and industrial settings.
Duty Rate — China → United States
41.2%
Rate breakdown
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• FAA approval required for aircraft use; provide TSO documentation for aviation imports
• Test for moisture content (<0.1%) to prevent caking; include sieve analysis certificates
• Avoid 2836 classification by proving suppressant formulation exceeds plain chemical salts