Heat Sealing | Donglin Packaging

Heat sealing is a method that bonds different plastic film layers together using heat and pressure. This method is suitable for many thermoplastic films. The steps are as follows:

 

Step 1: Prepare the Plastic Film Materials First, prepare the different plastic film materials that need to be bonded together. Ensure their size and shape are suitable for the heat sealing process.

 

Step 2: Heat Sealing Place the different plastic film layers between the heating plates of a heat sealing machine. Adjust the temperature of the heating plates according to the characteristics and bonding requirements of the plastic materials.

 

Step 3: Apply Pressure Close the heat sealing machine and apply pressure to the plastic film layers while heating.

 

Step 4: Cooling After heat sealing is complete, the composite film needs to cool under specific conditions to stabilize the composite structure.

 

 


Post time: 07-24-2023

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