HFC-23 Calibration Standard Gas
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.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the mixture is a certified reference material with a certificate indicating property values and methods
Certified reference materials are classified under heading 38.22, which takes precedence over other headings.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• 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
Related Products under Tariff item 3827.51.00
Cryogenic Cooling Fluid with HFC-23
A specialty fluid mixture containing trifluoromethane (HFC-23) used in semiconductor manufacturing for sub-zero cooling processes. This product falls under tariff item 3827.51.00 as it contains HFC-23 and does not contain CFCs or HCFCs.
HFC-23 Fire Suppression Gas Mixture
A clean agent fire extinguishing blend incorporating HFC-23 for total flooding systems in data centers and electrical rooms. This product falls under tariff item 3827.51.00 as it contains HFC-23 and does not contain CFCs or HCFCs.
HFC-23 Foam Blowing Agent Blend
A polyurethane foam blowing agent mixture incorporating HFC-23 for insulated panels and appliances. This product falls under tariff item 3827.51.00 as it contains trifluoromethane and does not contain CFCs or HCFCs.
HFC-23 Leak Detection Gas Mixture
A trace gas blend with HFC-23 used for detecting leaks in HVAC systems and pipelines. This product is covered by tariff item 3827.51.00 due to its trifluoromethane content in a CFC/HCFC-free formulation.
HFC-23 Medical Cryospray Refrigerant
A cryospray mixture containing HFC-23 for endoscopic medical procedures requiring rapid freezing. This product falls under tariff item 3827.51.00 as an HFC-23 mixture lacking CFCs or HCFCs.
HFC-23 Medical MRI Cooling Gas
A specialized cooling gas mixture with HFC-23 for superconducting MRI magnet systems. This product falls under tariff item 3827.51.00 as it contains trifluoromethane without CFCs or HCFCs.