Nitrogen Liquefaction Plant NLI-500 from Mexico
Compact plant for liquefying nitrogen gas from compressed air via cryogenic cooling and expansion cycles, used in laboratories and small-scale industrial settings. Classified under HTS 8419.60.5000 for other machinery involving temperature change for gas liquefaction. It employs heat exchangers and expanders to achieve liquid nitrogen at -196°C.
Duty Rate — Mexico → United States
10%
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
• Include material safety data sheets (MSDS) for cryogenic fluids and ensure labeling meets UN dangerous goods regulations
• Document end-use as non-domestic to distinguish from household cryocoolers; provide buyer affidavits if needed