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2811.21.00.00/Welding Shielding Gas CO2/Mexico

Welding Shielding Gas CO2 from Mexico

Pure carbon dioxide used as shielding gas in MIG/MAG welding to protect weld pools from atmospheric contamination. Classified under HTS 2811.21.00.00 as chemically defined carbon dioxide per Chapter 28 subheading note.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Certify to AWS A5.32 standards; declare shielding gas application

• Use high-pressure cylinders rated for 99.9%+ purity