Potassium Peroxide KO2 from Mexico
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 — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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