Semi-Water Gas
Semi-water gas is a mixture produced by passing air and steam over hot coke, balancing producer and water gas properties for fuel use. It fits under this tariff item as a similar gas from coal processes, not a petroleum gas or other gaseous hydrocarbon.
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 gas is derived from petroleum or contains petroleum hydrocarbons
The exclusion in heading 27.05 for petroleum gases and other gaseous hydrocarbons would apply.
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
• Ensure the production process uses coke or coal, not petroleum feedstocks
• Provide detailed process and composition information to CBSA
• Confirm the gas is not a petroleum gas to avoid reclassification
Related Products under Tariff item 2705.00.00
Blast Furnace Gas
Blast furnace gas is a byproduct of iron smelting, consisting mainly of nitrogen, carbon monoxide, carbon dioxide, and hydrogen. It is used as a fuel within steel mills and qualifies under this tariff item as a similar gas to coal gas, producer gas, and water gas, excluding petroleum gases and other gaseous hydrocarbons.
Blue Gas (Water Gas Variant)
Blue gas is a high-purity water gas variant produced by steam-carbon reactions, with minimal carbon dioxide content, used in industrial applications. It falls under this tariff item as water gas, which is explicitly listed and distinct from petroleum gases and other gaseous hydrocarbons.
Coal Gas
Coal gas is a flammable gaseous fuel produced by the destructive distillation of coal, primarily containing hydrogen, methane, and carbon monoxide. It is explicitly listed under this tariff item as coal gas, making it eligible for classification here.
Producer Gas
Producer gas is generated by the partial combustion of coal or biomass with air, containing carbon monoxide, hydrogen, and nitrogen, used mainly in industrial heating. It is classified under this tariff item as a similar gas to coal gas, water gas, and producer gas, excluding petroleum gases.
Town Gas
Town gas is a historical coal-derived fuel gas mixture of hydrogen, methane, and carbon monoxide, once distributed for lighting and heating. It is included under this tariff item as coal gas or similar gas, differentiated from modern natural gas and petroleum gases.
Water Gas
Water gas is produced by passing steam over incandescent coke or coal, yielding a mixture of hydrogen and carbon monoxide used as an industrial fuel. It is classified under this tariff item as water gas, explicitly listed and excluding petroleum gases.