Analyzing the IML label from the injection molding process, there are the following reasons for wrinkles:
1) The temperature used during the injection molding process is inappropriate. If the temperature during the injection molding process of the IML label is inappropriate, such as the temperature is too high or too low, it will cause the IML label to wrinkle during the injection molding process.
2) The pressure is uneven during the injection molding process. If the pressure distribution of the injection molding machine is uneven during the injection molding process, it will cause uneven pressure during the injection molding of the IML label, resulting in wrinkles.
3) Injection molding process problems. The setting of injection molding process parameters will also affect the quality of label injection molding. If the injection speed is too fast or too slow, the pressure and temperature of the injection molding machine are inappropriate, etc., wrinkles may occur.

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