Failure or leakage of heat sealing

　　Problem performance: After the packaging is completed, the sealing part is loose or cannot be sealed completely, resulting in product exposure or contamination.

　　Cause analysis:

　　-Improper setting of heat sealing temperature or time.

　　-Dirt or wear on the surface of the heat sealing device.

　　-Packaging materials with poor heat sealing performance.

　　Solution:

　　-Adjust the heat sealing temperature and time parameters of the device and ｓｅｌｅｃｔ the best value according to the material characteristics.

　　-Clean the heat sealing device regularly to ensure its surface is smooth and clean.

　　-Use high quality packaging materials suitable for the equipment.