New

Ask Wove anything about tariffs.

Try Tariff Assistant

HFC-134a Leak Detection Refrigerant Blend

> A specialty blend with 50% HFC-134a, UV dye, and nitrogen for detecting leaks in HVAC systems. It is used by HVAC technicians for maintenance. This mixture qualifies for tariff item 3827.64.00 because HFC-134a is dominant and there are no HFOs or banned substances present.

Import Duty Rates by Country of Origin

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

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3827.90.00Same rate: Free

If the blend is considered a diagnostic tool rather than a refrigerant

Other mixtures not meeting the specific HFC-134a criteria.

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 UV dye and nitrogen do not cause the product to be classified as a separate article

• Provide a detailed composition breakdown to the CBSA to verify HFC-134a content

• Check if the product requires a hazardous goods permit for transport and import

Related Products under Tariff item 3827.64.00

Commercial Refrigerator HFC-134a Service Blend

> A service blend for supermarket refrigeration systems containing 80% HFC-134a, 15% HFC-125, and 5% lubricants. It is used for retrofitting and maintenance of commercial refrigeration equipment. This mixture falls under tariff item 3827.64.00 because it contains 30% or more by mass of HFC-134a and does not contain unsaturated fluorinated derivatives of acyclic hydrocarbons (HFOs).

HFC-134a Auto AC Recharge Kit Mixture

> A pre-mixed refrigerant for DIY automotive air conditioner recharging, consisting of 65% HFC-134a with lubricants and leak sealer additives. It is classified under tariff item 3827.64.00 because HFC-134a comprises over 30% by mass and the mixture does not contain HFOs. This product is used by vehicle owners for maintenance.

HFC-134a Domestic Heat Pump Refrigerant Mixture

> A refrigerant blend with 55% HFC-134a and POE oil for residential heat pump systems. It is used for heating and cooling in homes. This product falls under tariff item 3827.64.00 because it contains 30% or more HFC-134a by mass and does not contain HFOs or other excluded substances.

HFC-134a/PAG Oil Lubricant Mixture for AC Compressors

> A mixture of 60% HFC-134a and 40% polyalkylene glycol (PAG) oil for lubricating automotive AC compressors during manufacturing. It qualifies for tariff item 3827.64.00 with HFC-134a well above the 30% threshold and no excluded fluorinated derivatives. This product is used in industrial processes.

HFC-134a Refrigerant Blend R-134a/R-1234yf 70/30

> A refrigerant mixture containing 70% HFC-134a (1,1,1,2-tetrafluoroethane) and 30% HFO-1234yf by mass, used in automotive air conditioning systems. It falls under tariff item 3827.64.00 because it contains 30% or more HFC-134a, but it does contain HFOs, which are excluded by the tariff item's description. Therefore, this product does not belong under this tariff item.

Industrial Chiller HFC-134a Top-Off Blend

> A blend containing 75% HFC-134a with minor HFC-32 for topping off large industrial water chillers. It is used in manufacturing processes. This mixture falls under tariff item 3827.64.00 because HFC-134a exceeds 30% by mass and there are no unsaturated HFOs or ozone depleters present.