The latest technology to be employed for net sealing is the use of ultrasound.
The ultrasonic net sealing machines do not only get rid of the metal clip as bag closure but do the job without any additional foreign materials to seal the bags securely. They are used to pack for example chocolate coins or other candy, cheese snacks, onions, garlic, brussel sprouts, peanuts, etc. in net bags to up to 2500 g weight.
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Ultrasonic sealing offers benefits including:
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No clip wire required - Strong seal formed
Simple operation - Low maintenance machinery
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We use short bursts of high frequency which locally generates heat
which fuses the net in the sealing jaws.
