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What Is Difference Between Impulse&Direct Heat Sealer?

Impulse heat sealers sealing machine - require no warm up time and seal by applying a pulse of energy to the sealing area, followed immediately by cooling. Impulse sealers only use power when the jaw is lowered.So if you are just sealing your every day poly bags, an impulse sealer will do the trick.Direct heat sealers (constant heat maintain constant heat in both jaws. Direct heat sealers use power as long as the machine is turned on. As a result, direct heat sealers possess better heat penetration in order to seal thicker materials.If you are sealing thicker materials such as kraft paper or anything with gussets, go with a direct heat sealer.