Waste Propylene Glycol Heat Transfer Fluid from Mexico
Spent glycol mixture from industrial heat exchangers and HVAC systems, degraded thermal properties. HTS 3825.50.00.00 as anti-freeze fluid waste per chapter note 6(d). Less toxic than ethylene glycol but still regulated.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Distinguish food-grade vs industrial grade for disposal options
• Test glycol degradation products (acids, aldehydes)