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About The Heat Sealing Of The Packing Bags
Jan 29, 2019

Thermal sealing is the use of external conditions (electric heating, high frequency voltage and ultrasonic, etc.) to plastic film sealing parts into a viscous flow state, with the help of tool pressure to film fusion into one, after cooling to maintain a certain strength.Heat sealing process of the three major factors is the heat sealing temperature, pressure, time, mainly during the temperature.According to the different movement state of materials and bags, different thermal sealing conditions are needed.matt-aluminum-packaging-bags08150745225

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