HFC-23 Calibration Standard Gas from China
A certified reference mixture containing known HFC-23 concentrations for environmental monitoring equipment calibration. This product is classified under tariff item 3827.51.00 as it contains trifluoromethane and does not contain CFCs or HCFCs.
Duty Rate — China → Canada
0%
Import Tips
• Provide a certificate of analysis and calibration documentation to customs
• Check if the gas mixture requires a permit under the Canadian Environmental Protection Act for importation