How to eliminate static electricity during the coating process?
Release time:
2022-01-06
01/ Static electricity often causes many problems in the coating process
In flammable and explosive environments, static electricity can cause hazardous substances to burn and explode.
In addition, the static electricity on the coated substrate will also cause many coating defects: for example, the electrostatically charged substrate is more likely to absorb dust and dirt in the environment, or defects like cracks and pinholes may be generated on the coated surface.
02/In the coating process, static electricity is mainly caused by the following reasons
1. The base material in the unwinding area is separated from the parent roll to generate static electricity
2. The substrate rubs on the roller to generate static electricity
3. The rapid flow or spraying of the solution in the conduit generates static electricity
4. The stirring of the solution generates static electricity, etc.
03/How to eliminate static electricity in the coating process
1. Increase ambient humidity without affecting product quality
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