Potassium Peroxide KO2 from Canada
Potassium peroxide (KO2), also known as potassium superoxide, is used in oxygen generation systems like submarines and breathing apparatus. Classified in HTS 2815.30.00.00 as a peroxide of potassium, meeting chemical definition requirements of Chapter 28.
Duty Rate — Canada → United States
13.7%
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
Import Tips
• Classify as DOT Hazard Class 5.1; require proper placarding and carrier certification for transport
• Provide assay reports showing >90% KO2 content to distinguish from mixtures excluded by chapter notes