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What are the Main Aspects of PCBA Manufacturing Pollution?

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  3. What are the Main Aspects of PCBA Manufacturing Pollution?

The pollution of main pcba mainly includes the following aspects:

1. PCBA surface pollution will be caused by the pollution or oxidation of PCBA components and PCB circuit boards;

2. Fingerprints will be produced during manual soldering, and some wave soldering claw marks and soldering pallet (jig) marks will be produced during wave soldering. There may be other types of contaminants on the surface of the pcba circuit board to varying degrees, such as plugging glue, high temperature tape residue glue, fingerprints and flying dust;

3. In the manufacturing process of electronics pcba, it is necessary to use solder paste, welding wire, etc. for welding. Flux will produce residues during the soldering process, contaminating the surface of the PCBA board, and is the main pollutant;

4. Static pollution caused by dust, water and solvent fumes, steam, particulate organic matter and charged particles attached to the smt pcba in the workplace.

Posted on February 22, 2022Industry News

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