HFC-125/HFC-143a Calibration Gas Mixture from Mexico
A calibration gas mixture containing HFC-125 and HFC-143a, used for gas chromatography calibration standards. This product is a separate chemically defined compound per Chapter 29 Note 1(a), and is classified under tariff item 2903.44.00 as a saturated fluorinated derivative of acyclic hydrocarbons.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the gas mixture is clearly labeled with its chemical composition and purity
• Verify that the product meets Canadian environmental regulations for HFCs, as import permits may be required
• Declare the correct tariff classification to avoid delays