Vacuum bags are a very common kind of bag in our lives. The use of vacuum packaging bags of food can be a good extension of things to place the time, you can make the food is not easy moldy.
But we found in the supermarket shopping, some vacuum bags are leaked, and the food inside can not eat. How can we prevent the vacuum bag from leaking?
1, in the sealing time, we must adjust the heat sealing time, vacuum time according to the actual product and the size of plastic bags to determine. Seal must be placed flat, can not be wrinkled, the machine temperature to be constant, so as to ensure that the bag will not leak.
2, to clearly stipulate that the supplier can not be any renewable materials, or will appear in the membrane surface trachoma, which will produce chronic air leakage.
3, to find a strong supplier of plastic bags, and asked suppliers to provide material reports and composition to achieve the quality of the pass.
4, in the device into the box, and handling (especially when the freight) to gently, so as not to be damaged.
