Soldering Fluxes

Best in class liquid solvent- or the more environmental friendly water based fluxes for wave, selective soldering and tinning. Our range of tacky fluxes, including resin based, no-clean, low-residue.

Soldering Flux Solutions
for Every Assembly Challenge

Soldering flux is a critical element in electronic assembly, enabling proper wetting, removing oxides, and ensuring reliable solder joints. Its composition and performance directly influence process stability, joint integrity, and the long-term reliability of electronic devices.

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Wave Soldering flux

Wave soldering flux is essential for cleaning metal surfaces, preventing oxidation, reducing surface tension, and ensuring proper solder flow, and INVENTEC provides high-performance solutions that enable strong, reliable solder joints while minimizing defects during the wave soldering process.

Discover high-performance wave soldering flux solutions engineered to meet the reliability, efficiency, and sustainability demands of modern through-hole soldering processes…
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Selective Soldering flux

Selective soldering flux plays a crucial role in the electronics manufacturing process by facilitating optimal solder flow, preventing oxidation, and minimizing defects—benefits that INVENTEC delivers through its advanced solutions to enhance the reliability and durability of electronic components and assemblies.

ECOFREC™ introduces advanced selective soldering flux solutions that enhance the performance of selective solder and selective wave soldering processes, ensuring optimal solder flow, superior wetting, and high-reliability solder joints for electronics manufacturing…
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Tacky Flux

Tacky flux plays a critical role in the soldering process by cleaning and preparing metal surfaces, while INVENTEC enhances this process with advanced formulations that remove oxides, improve solder adhesion, prevent contamination, and ensure reliable electrical connections for optimal performance in electronic assemblies.

Discover the power of high-performance tacky flux solutions designed to meet the demanding needs of BGA reballing, BGA repair, BGA assembly, and QFP rework with unmatched precision, reliability, and ease…
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Tinning Flux

Tinning flux is essential in soldering as it cleans and prepares metal surfaces by removing oxidation to ensure strong solder adhesion and prevent weak joints—functions that INVENTEC delivers through its high-performance flux solutions, enhancing the reliability and longevity of electronic connections.

For consistent, high-quality cable assembly across various applications, using the right tinning flux is essential to ensure optimal soldering performance, long-term reliability, and regulatory compliance in demanding production environments…
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Technical support

Inventec has a worldwide dedicated Technical Support team to help you along the different stages of our cooperation.

Depending on your request, we provide online or onsite support

to select the right product based on your specific needs
to assist you in your product qualification process
to guide you with the initial set up of you process at all your worldwide manufacturing facilities
to provide fast response on technical issues which could occur at any time during mass production.

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Free-of-Charge cleaning & coating trials

Do you need cleaning or coating after soldering? We provides FREE-OF-CHARGE cleaning or coating trials in our Technical Centers. A comprehensive technical report detailing all test results and recommendations regarding process & process parameters will be provided. You want to attend the trials? We are happy to welcome you.

Soldering flux is an essential chemical agent used in various soldering processes to clean and prepare metal surfaces, ensuring strong, reliable joints. The primary function of soldering fluxes is to remove oxides and prevent reoxidation during the soldering process, promoting better wetting of the solder. This is particularly crucial in high-volume manufacturing techniques such as wave soldering, where molten solder is applied to multiple connections simultaneously. In these applications, different types of soldering fluxes—including water-soluble, no-clean, and tinning flux—are selected based on the specific requirements of the assembly, such as residue removal and corrosion resistance.

For more targeted applications like selective soldering, where specific areas of a PCB are soldered while avoiding others, the precise control of soldering flux application is critical. In such cases, the use of tinning flux can improve solder joint quality by enhancing solder spread and adhesion on targeted components. As electronics become increasingly miniaturized and complex, the performance of soldering fluxes plays a vital role in ensuring consistent electrical and mechanical connections. Proper flux selection and control during wave soldering and selective soldering are essential for maintaining the integrity and reliability of advanced electronic assemblies.

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Soldering Flux Solutions in the Automotive Industry

In the automotive industry, the use of soldering flux is critical in the mass production of electronic control units, sensors, and infotainment systems. Processes like wave soldering are widely used due to the need for high-speed, high-reliability soldering of large PCBs. Here, soldering fluxes ensure clean and strong solder joints, even under harsh operating conditions. Selective soldering is often employed for hybrid boards, allowing targeted soldering without damaging heat-sensitive components. Tinning flux is also used for pre-tinning wires and connectors, ensuring long-term corrosion resistance and electrical conductivity in demanding environments.

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Soldering Fluxes for Aerospace and Defense Electronics

The aerospace and defense sectors demand the highest reliability and performance from their electronic systems. Soldering fluxes used in these applications must meet rigorous standards for residue, outgassing, and thermal stability. Select soldering and wave soldering are employed to assemble flight-critical systems, with careful attention to flux residues that could affect performance in extreme conditions. Tinning flux is particularly important for ensuring robust solder joints in high-vibration environments. These industries rely heavily on the precision and performance of advanced soldering flux chemistries to meet stringent safety and durability standards.

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Soldering Flux in the Medical Device Industry

In the medical field, where device reliability can directly impact patient safety, the choice and control of soldering flux is paramount. Devices like pacemakers, imaging systems, and surgical tools require flux formulations with minimal residues and high biocompatibility. Selective soldering allows precise soldering of miniaturized, complex PCBs, avoiding thermal stress on sensitive components. Meanwhile, tinning flux is utilized during the preparation of connectors and leads to ensure optimal conductivity and prevent oxidation over time. Whether through wave soldering or targeted flux application, the role of soldering fluxes is crucial in meeting the medical industry’s rigorous quality and safety standards.

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