Overview of pouch making process

       Plastic packaging film in most cases also heat sealing synthetic pouch, namely ordinary electric heat sealing method, pulse heat sealing method, ultrasonic heat sealing method, high frequency heat sealing method.

       Plastic flexible packaging laminated film, pouch, in the production process is usually used in the way of heat sealing will be packaged products sealed into a closed environment. Heat sealing is to make use of various external conditions (such as electric heating, high-frequency voltage and ultrasonic wave) to heat the plastic film sealing into a viscous flow state, and with the help of a certain pressure, the two layers of film fused into one, after cooling to maintain a certain strength. In order to ensure that the commodity in the packaging, transportation, storage and consumption process can bear a certain external force, to ensure that the commodity does not crack, leakage, to protect the purpose of the commodity, the sealing part is required to have sufficient strength and sealing performance.


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