HFC-152a Foam Expansion Agent
HFC-152a (1,1-difluoroethane) is a saturated fluorinated derivative of acyclic hydrocarbons, specifically named in tariff item 2903.43.00. It drives the expansion of polystyrene foams used in packaging and construction insulation. The pure compound offers zero ozone depletion potential and meets the chapter's criteria for classification.
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 expansion agent is a blend of HFC-152a with other fluorinated hydrocarbons
Blends are classified under mixed saturated fluorinated derivatives.
If the product is formulated with other chemicals for foam production
Prepared chemical products for foam manufacturing may fall under chemical products.
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
• Confirm the HFC-152a is pure and not mixed with other blowing agents
• Verify compliance with Canadian foam manufacturing regulations
• Include technical data on the product's purity and application for CBSA
Related Products under Tariff item 2903.43.00
1,1-Difluoroethane (HFC-152a) Fire Suppressant Blend Base
1,1-Difluoroethane (HFC-152a) is a saturated fluorinated derivative of acyclic hydrocarbons, specifically enumerated under tariff item 2903.43.00. It is used as a base component in clean agent fire suppression systems for data centers and electronics, valued for its low toxicity and non-conductive properties. The pure chemical identity of HFC-152a qualifies it for classification under this item.
1,1-Difluoroethane (HFC-152a) Refrigerant Gas
1,1-Difluoroethane (HFC-152a) is a saturated fluorinated derivative of acyclic hydrocarbons, explicitly listed under tariff item 2903.43.00. It is widely used as a refrigerant in commercial refrigeration systems and air conditioning units due to its favorable thermodynamic properties. The product is a separate chemically defined compound, meeting the chapter's requirements.
1,2-Difluoroethane (HFC-152) Blowing Agent
1,2-Difluoroethane (HFC-152) is a saturated fluorinated derivative of acyclic hydrocarbons, specifically named in tariff item 2903.43.00. It functions as a blowing agent in the production of polyurethane foams for insulation and packaging, providing thermal efficiency. As a separate chemically defined compound, it qualifies for classification under this item.
Fluoromethane (HFC-41) Calibration Gas
Fluoromethane (HFC-41) is a saturated fluorinated derivative of acyclic hydrocarbons, explicitly listed under tariff item 2903.43.00. It is used in trace amounts in nitrogen mixtures as calibration gas for environmental gas analyzers monitoring fluorocarbon emissions. The pure HFC-41 component drives classification, and the product meets the chapter's criteria for a separate chemically defined compound.
Fluoromethane (HFC-41) Industrial Gas
Fluoromethane (HFC-41) is a saturated fluorinated derivative of acyclic hydrocarbons, specifically named in tariff item 2903.43.00. It is a specialty gas used in plasma etching processes for semiconductor manufacturing and as a component in some foam blowing agents. As a separate chemically defined compound, it falls under this item.
HFC-152a Aerosol Propellant
HFC-152a (1,1-difluoroethane) is a saturated fluorinated derivative of acyclic hydrocarbons, explicitly listed under tariff item 2903.43.00. It serves as an environmentally friendly aerosol propellant in personal care products like hairsprays and air fresheners, replacing more harmful CFCs. The pure compound qualifies for classification under this item.