Sealing and causes of leaks
Each packaging user has their own defined reason to keep their product sealed, some use nitrogen as an inert gas to keep oxygen out, others, like red meat, are packaged in an oxygen-rich environment to keep meat red and appetizing, and carbon dioxide. to restrict bacterial growth. All of these packages are only successful if the internal environment is maintained and gas is contained and external contaminants are kept out.
In a normal working environment, it is impossible to control all the items that could affect seal quality, contamination, material quality, sealing parameters, and normal packaging problems such as wrinkles in the formed packaging materials. You can also get additional information on best package integrity testing via https://flexpakinc.com/test-methods/. The following sealing conditions affect the packaging:
1. Contamination Every sealing process has the potential for seal contamination problems. The horizontal flow wrap can have problems if product particles have fallen on the material and land in the seal area or can be blown into the seal area with the purge line. Vertical form, fill, and the seal was part of the product is adhering to the side of the formed tube or is still falling when the sealing jaws are closed on the material.
2. Quality of the packaging film There are probably two main problems in this area today, one is the price, simply, the better the sealability and the robustness of the material, the more expensive it will be. The second is the drive to reduce and minimize the packaging material used. As most packaging materials are a combination of at least two materials and an adhesive layer to hold them together, the quality and control of this manufacturing process can have a major influence on the quality and reliability of the final packaging.