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HFC-143a Refrigerant Blend R-507

HFC-143a Refrigerant Blend R-507 is an azeotropic refrigerant mixture composed of 50% HFC-125 and 50% HFC-143a, exceeding the 15% HFC-143a threshold by mass. It is used in commercial refrigeration systems, including supermarket display cases and transport refrigeration, and contains no CFCs or HCFCs. This product falls under tariff item 3827.61.00 because it is a hydrofluorocarbon mixture with the specified HFC-143a content.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—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.

3827.90.00Same rate: Free

If the blend's HFC-143a content is less than 15% by mass.

Other HFC mixtures without the specified concentration are classified elsewhere in heading 38.27.

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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 technical data sheet showing the exact HFC-143a mass percentage (50%) to facilitate customs clearance under 3827.61.00

• Verify that the blend meets Canadian refrigerant standards and is labeled appropriately for commercial use

• Work with a customs broker to ensure compliance with any import restrictions on hydrofluorocarbons

Related Products under Tariff item 3827.61.00

HFC-143a Industrial Chiller Fluid

HFC-143a Industrial Chiller Fluid is a specialty hydrofluorocarbon blend containing 15% or more by mass of 1,1,1-trifluoroethane (HFC-143a), designed for use in centrifugal chillers within large commercial HVAC systems. This product contains no chlorofluorocarbons (CFCs) or hydrochlorofluorocarbons (HCFCs), aligning with the environmental standards of tariff item 3827.61.00. It is classified under this item as a mixture of hydrofluorocarbons for refrigerant applications.

HFC-143a R-404A Replacement Blend

HFC-143a R-404A Replacement Blend is a low-GWP refrigerant mixture containing over 15% HFC-143a by mass, formulated as a drop-in replacement for R-404A in medium and high-temperature refrigeration systems. It includes HFC-143a blended with other hydrofluorocarbons for cascade systems and excludes CFCs and HCFCs, making it eligible for tariff item 3827.61.00. This product is classified here due to its HFC-143a content and refrigerant use.

HFC-143a Supermarket Refrigerant R-508

HFC-143a Supermarket Refrigerant R-508 is an azeotropic blend of HFC-23 and HFC-143a, with HFC-143a exceeding 15% by mass, designed for low-temperature supermarket freezers and ice cream cabinets. It provides superior cascade refrigeration performance and contains no CFCs or HCFCs, meeting the criteria for tariff item 3827.61.00. This product is classified under this item as a hydrofluorocarbon mixture with high HFC-143a content.

HFC-143a Transport Refrigeration Blend

HFC-143a Transport Refrigeration Blend is a hydrofluorocarbon mixture exceeding 15% HFC-143a by mass, used for refrigerated trucks and containers to ensure reliable cooling for perishable goods during transport. It is formulated without CFCs or HCFCs, complying with the requirements of tariff item 3827.61.00. This product is classified here due to its HFC-143a concentration and refrigerant application.