Static charge on a material can build up along the process. Friction between idle rollers and film creates a charge. Each new friction accumulates charge. Charges can rapidly become very high. Charges over 100 kV are not uncommon. Static charge on a material will attract particles from the surrounding. This is usually dust, but can also be other contaminates including small flies. In most cases this is unwanted and should be prevented. Special care should be taken when films run close to the floor because attraction of dust is inevitable.
Most common solutions to static problems can be found HERE.
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Want to eliminate industrial static charge and know how to discharge static electricity?
Simco-Ion anti-static bars generate an electrical field which causes the air molecules in the vicinity of the bar to break down into positive and negative ions. Because opposite charges attract, any charged material passing near the bar will attract ions until the charge on the material is neutralized. The materials will no longer be attracted to each other or to the machine parts. Attraction of dust, explosion or fire hazards and electrical shocks to personnel caused by static discharge are avoided. Simco-Ion offers a very wide range of antistatic bars in shockless and non-shockless versions: Performax Easy, Performax IQ Easy, Performax IQ Easy Ex, Performax Easy Ex, ThunderION 2.0, MEB, MEJ, 1/2"SS, MaxION, P-Sh-N and the P-Sh-N-Ex.