With the continuous development of the printed PCB industry, more and more layers are manufactured, the lines are getting thinner and denser, the line spacing is getting smaller and smaller, and the problem of bridging is becoming more and more prominent, making the printed circuit There is no bridging between the board lines, which improves the quality of the printed PCB; then there must be a lot of foam during the cleaning process, and a cleaning and defoaming agent must be used, and it must have good water solubility, fast defoaming speed, and strong foam suppression ability. , Less dosage, easy to use, easy to operate, high product efficiency, no rich products, no need for three wastes treatment.
Circuit board
Therefore, it is necessary to use a special defoamer for PCB cleaning when cleaning the PCB. Especially in the dry film process in the production process of the printed PCB, the unexposed dry film is removed by development. The dry film is a photosensitive insulating resin, and the developer is a sodium carbonate solution. Due to the continuous dissolution of the dry film, the developer will generate a certain amount of foam during the circulating spraying process of the system. When the foam reaches a certain level, it will affect the quality of the development and cause inconvenience to the production.
Therefore, in industrial production, it is often necessary to add a certain amount of PCB cleaning and defoaming agent when opening the cylinder to inhibit the generation of foam. The defoamer specially used in the printed PCB manufacturing industry can overcome the harm caused by it. The defoamer developed by Nanhui Defoamer Factory are divided into two categories: silicon polyether defoamer and silicon-free defoamer. ; Due to the particularity of the manufacturing process of the printed board, it has strict requirements on the defoaming agent. In addition to the excellent defoaming and anti-foaming ability, the defoaming agent is also required not to have any residue on the printed board, and it is Effective under sexual conditions.
PCB defoamer CQ-164: Specially used in PCB industrial process
Low COD, low consumption
Strong defoaming power, high stability, not easy to decompose;
Good washability, will not remain on the board surface, resulting in quality defects in the post-process;
It will not affect the dry film to cause infiltration, will not affect the solderability, and has a wide operating range
PCB cleaning defoamer
(For more detailed technical recommendation of PCB cleaning defoamer, please call: Yoyo 86 13428601010 Dongguan Nanhui New Materials Co., Ltd. provides professional defoamer technical service support, and makes suitable defoamer for PCB cleaning you care about. recommended.)
