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Heat Sealing Primer
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The two most common methods of heat sealing plastic films are:

          - Hot Wire Sealing
          - Hot Knife Sealing

The diagram below shows typical seal configurations for each of the methods above.

Both methods depend on three things to create a successful seal:

          - Controlled Time Cycle
          - Controlled Temperature
          - Controlled Pressure.
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Typical seals for eachof these two methods are shown in the diagram below.