Views:
2
Date:
2015
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12
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14
SMT cleaning solvent categories:According to use classification is as follows:1. Online SMT steel plate cleaning, the machine will automatically add solvent to wipe paper, have a spray, and add methods, such as good requirements volatility, low residual, non-flammable. Too much, will be diluted solder paste, affect the printing effect.2. PCB cleaning, request to substrate, often appear PCB (return) white phenomenon, mainly related to the categories of solvent, and incomplete welding residue dissolved solvent will cause the PCB back to white (PCB reverse).(3) ultrasonic cleaning with solvent, some ultrasonic cleaning machine set the function of a variety of cleaning, note that if you chose flammable solvents, the row of air pipe line to separate installation, and workshop total exhaust duct...