In the entire production process of the electronics industry in the past, the traditional tin wire welding process often has disadvantages such as large residue, high corrosion, and poor appearance. After the tin wire is soldered, it needs to be cleaned with board washing water. In the cleaning process, due to the assembly of fine gaps and high-density components, it will cause cleaning difficulties, that is, increase cleaning costs and waste man-hours. Therefore, in order to meet the needs of the development of the electronics industry, a new type of no-clean solder has emerged.

The so-called "no-cleaning" is usually used in the electronic assembly process for low-solid-ratio, non-corrosive flux, soldering in an inert gas environment, and the residue on the circuit board after soldering is minimal and non-toxic. Corrosion, and has a high insulation resistance on the surface, generally speaking, it can meet the standard requirements of ion cleanliness without cleaning, and can immediately enter the process flow of the next process.

No-clean flux itself is an environmentally friendly flux that is limited to halide active agents and does not need to be processed after soldering. The use of this type of flux can not only save the cost of cleaning equipment and cleaning solvents, but also reduce the environmental pollution caused by waste gas and wastewater discharge standards. If no-cleaning flux is used to replace traditional flux, it will have certain economic benefits and economic benefit analysis.

In fact, what kind of solder wire to choose, you should first observe its welding quality. The surface of the solder wire needs to be clean and shiny, and there should not be many necessary foreign objects. Another thing to consider is that the flux in the no-clean solder wire must be complete, and there should be no slight gaps, otherwise it is easy to produce false soldering, which will directly affect the performance and quality. The packaging box of no-clean lead-free solder wire needs to be marked with its specification, net weight, product name and manufacturer. When you need a product quality certificate, you can ask them to provide an inspection report. The flux component in the no-clean solder wire is used to improve the heat conduction of the solder wire and remove oxidation, and the biggest feature of this product is that it does not need to be cleaned after welding, so that many electronic industries can save a lot of manpower, so It is also widely used in manufacturers.