Home> Industry Information> How to solve the problem of poor heat sealing strength of middle sealing bag making machine

How to solve the problem of poor heat sealing strength of middle sealing bag making machine

May 28, 2020

How to solve the problem of poor heat sealing strength of middle sealing Bag Making Machine
According to the past experience, on the one hand, it can speed up the hardening of adhesive through heat preservation aging, and then strengthen the composite strength and heat resistance of composite film. At the same time, according to the composition structure and heat sealing state of the composite film, the ideal heat sealing condition or the improved heat sealing method should be selected, but the cooling should be carried out after the heat sealing.
On the other hand, check the storage period and conditions of the thermal seal film used in the Bag making machine, and increase the thickness of the thermal seal film; or directly change the type and quality of the thermal seal film, and try to use the inner seal film with anti pollution thermal seal property.
In addition, we should pay attention to the quality inspection of the adhesive to make it meet the requirements. At the same time, we need to control the content of the smooth agent and the content of the MDI monomer in the composite adhesive, which can do a good job in heat sealing and make the heat sealing strength of the bag making machine meet the requirements.
Through the above improvements and attention, the problem of poor heat sealing strength in the middle sealing bag making machine can be solved, the quality of bag making can be further improved, and the failure rate in the equipment can also be reduced in this way.

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