The winter often brings expectations of colder, lower humidity weather and the right conditions for generating static electricity in flexible packaging processes. High humidity environments are less conducive to the generation of static electricity whereas dryer, low humidity conditions act to encourage the creation of static.
Static electricity can generate anywhere there is contact and separation or friction between processes materials (i.e. where film makes contact with rollers, guides and other surfaces). It is very common to see static charges accumulate in production processes at values of 15,000 volts to 35,000 volts. In some applications, such as high-speed film winding, voltages in excess of 75,000 volts can be present.