The treatment of packing bag sealing problem

　　How to do if there is static electricity at the packaging bag seal?

　　The reason:

　　Due to external action such as friction or in the form of various energies such as kinetic energy, potential energy, thermal energy, chemical energy and so on, the positive and negative electric imbalance of atoms will occur.

　　Solution: Add 3% sanitary antistatic agent to inner PE film during secondary processing to avoid the occurrence of such problems. When RECEIVING CUSTOMER'S ORDER, QIZHI PACKAGING WILL FULLY UNDERSTAND CUSTOMER'S product characteristics and automatic filling production line characteristics, so as to better meet customer's requirements.

　　How to do bag warping after hot sealing?

　　The reason:

　　(1) The thickness of the composite film is not consistent.

　　(2) The heat sealing temperature is too high or the heat sealing time is too long.

　　(3) In the longitudinal heat sealing tool part, the running track of the composite film is not straight.

　　(4) insufficient cooling.

　　(5) The curing time is not enough.

　　(6) the heat resistance of the surface substrate film is poor.

　　(7) Improper tension matching control of composite substrate in the composite process leads to residual stress after maturation and shaping, especially when the composite film thickness is thinner, such faults are more likely to occur.

　　The solution to the packaging:

　　(1) Adjust the tension of floating roller.

　　(2) Select the inner sealing substrate with low temperature thermal sealing.

　　(3) Adjust the heat sealing temperature to the appropriate temperature.

　　(4) full cooling.

　　(5) fully mature.

　　(6) re-select the surface substrate film.

　　(7) adjust the tension of each part of the composite processing equipment, and try to make the retraction rate of the two substrates equal.

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