Anti foam S269 and P338 can be used for PCB cleaning,It will not affect the processing of the circuit board, good water solubility, no floating oil, no residue, good defoaming and foam inhibition function.

　　In the production of PCB, dry film process is to remove the unexposed dry film by developing.The dry film is photosensitive insulating resin and the developer is sodium carbonate solvent.Due to the continuous dissolution of the dry film, the developer will produce some foam during the system circulation spraying process.Foam will affect the quality of development to some extent, bring inconvenience to production, affect the production schedule.Therefore, in the industrial production, should add a certain amount of PCB cleaning cylinder,eliminate the foam and prevent foam formation.

　　Organic silicon antifoam agent S269 is a versatile defoaming agent, good adaptability for PCB cleaning and other industry cleaning.

　　Anti foaming chemicals P338 It do not have any mechanical impurities and no negative impact on the application system. It is specially designed for PCB Cleaning etc.