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What’s the matter with plastic excrement when automatic packaging roll film is packaged

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I don’t know if the “plastic excrement” you mentioned refers to the hot-air knife or heat sealing clamping wheel, and sometimes the plastic overflowing on the heat sealing edge of the finished product package that completes the heat sealing of the package? If so, it is because your temperature may be too high, or the pressure may be too high, causing the plastic to be extruded and overflow after melting
generally speaking, the three basic conditions for completing heat sealing are temperature, pressure and time. It is recommended that you adjust the process and find the appropriate working process
in addition, if the situation you encounter is what I said, I can tell you that such heat sealing does too much damage to the plastic. Generally speaking, the thickness of the inner hot air material of the packaging film is small. After being extruded and overflowed by melting, there are fewer inner materials that can continue to complete the heat sealing. Therefore, it is not good for the packaging.

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