What is the electronic fluorinert liquid ?

In the high-tech ocean, there is a liquid that plays a crucial role in fields such as electronics, semiconductors, and healthcare due to its unique properties and functions. It is electronic fluorinert liquid, a mysterious liquid that appears ordinary but actually contains endless mysteries.

Electronic fluorinert liquid is transparent, odorless, non flammable, non oil-based, low toxic, non corrosive, it has a wide operating temperature range, high thermal and chemical stability. And it has excellent dielectric constant, ideal chemical inertness, and excellent thermal conductivity.

Due to its environmental friendliness, safety without flash point and non flammability, it is widely used in industrial, electronics and other industries. It is often used in the Internet of Things, big data processing centers, 5G, high-end electronic and electrical equipment, and electronic computing chips.

And what’s more, it is also widely used in various fields such as defense and military industry, aerospace, semiconductors, automotive, machinery, textiles, construction, medicine, etc.

Composition and types of Electronic fluorinert liquid

In generally, it refers to carbon fluorine compounds. And it generally has good comprehensive heat transfer performance and can achieve non flammable without flash point.

Meanwhile, due to the high C-F bond energy and strong inertness of fluorocarbons, they are not easily reactive with other substances. According to the different composition and structure of fluorocarbons, they can be further divided into types such as chlorofluorocarbons (CFCs), hydrogenated chlorofluorocarbons (HCFCs), hydrofluorocarbons (HFCs), perfluorocarbons (PFCs), and hydrofluoroethers (HFEs).

At present, the types of CFCs have been globally phased out. HFC was developed in the 1990s to replace hydrofluorocarbons (HCFCs) and other ozone depleting substances. Part of HFC (such as HFC-365mfc) can be used for solvent cleaning applications, although it does not destroy the ozone layer, it has a high Global Warming Potential (GWP).

Perfluorocarbons (PFCs) include perfluoroalkanes, perfluoroamines, perfluoropolyether (PFPE), and other types. Their boiling point and dielectric constant characteristics are more suitable for semiconductor equipment cooling scenarios, but they also have greenhouse effect effects; Hydrofluorinated ether (HFE) has a relatively small greenhouse effect and no damage to the ozone layer, but usually has a high dielectric constant. Overall, perfluorocarbons are currently more suitable coolant for data center liquid cooling systems.

Composition and types of Electronic fluorinert liquid

The main production processes of electronic fluorinert liquid

Electrolysis method

This method prepares fluoride solution by electrolyzing hydrogen fluoride (HF). The process flow is as follows:
Inject hydrogen fluoride solution into the electrolytic cell and add an appropriate amount of hydrofluoric acid as the electrolyte.

Synthesis method

This method prepares fluoride solution through a synthetic chemical reaction. The specific process flow is as follows:

Highlights of electronic fluorinert liquid

electronic fluorinert liquid applications

Reliability testing of electronic products

Testing of electronic products

Electronic fluorinert liquid has a high dielectric strength and is an ideal choice for electronic reliability testing. Electrical and physical testing (leakage testing) can be performed on sealed packaging while energized and immersed in fluoride solution.


Aircraft engines and structural components often come into contact with high temperatures, humidity, and corrosive gases. In such environments, cyanide solution can serve as an effective lubricant and preservative, extending the service life of aviation equipment.

Pharmaceutical industry

Pharmaceutical industry

Electronic fluorinert liquid also has important applications. Medical and pharmaceutical equipment needs to maintain a high level of cleanliness and hygiene. Fluoride solution can serve as an efficient cleaning agent to remove impurities and bacteria from the surface of the equipment.

Life sciences

Life sciences

Diagnostic equipment, secondary circuits, and drug freeze-drying applications also benefit from the unique advantages of electronic fluorinert liquid. Unlike the solvents and oils commonly used in these applications.

Server immersion liquid cooling

Server immersion liquid cooling

Data centers are the backbone of communication in today's world. Supercomputers bring high-speed computing from advanced research, cryptocurrency, and other applications into reality.

Electronic component cleaning and decontamination

Electronic component cleaning

The corrosion performance of fluoride solution enables it to quickly and effectively remove surface dirt, grease, and other impurities. Fluoride solution can also be used for surface treatment.

Semiconductor manufacturing

Semiconductor manufacturing

Semiconductor manufacturing requires high precision. Minor temperature fluctuations may have a significant impact on yield. Compared with coolant such as deionized water, fluoride solution has a wider operating temperature.

Power electronic devices

Power electronic devices

Variable voltage power electronic devices can be used in high-performance applications, such as bullet trains. Power inverters, thyristors, and variable speed drives are all cooled by heat transfer liquids.

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