Packet source factory take you know 3-side and seal bag

Plastic bags have many different styles, but also can understand simple, 3-side is bags three sides of the seal, from the above or below the sealing load, and the sealing bag is from middle to encapsulate the plastic packaging. The professional manufacturer of flexible packaging packaging is to introduce in detail for our seal bag and the difference between 3-side. 1, the sealing bag sealing bag also called back sealing bag, its application range is very broad, general mask, cosmetics, paper towels, toys, food, etc. To choose this kind of packing method. Rice, melon seeds, tea packaging method is becoming more and more great variety, a lot of rice, the packing bag of melon seeds, tea and other food more and more small, the material of packaging is also more and more, in the sealed bag packaging is one of common forms of packaging. 2, 3-side 3-side air-tightness, best vacuum bag with this kind of bag making method in general. 3-side in many situations need to use vacuum packing, this reason is also very diverse, sometimes may be prevent food spoilage, sometimes in order to make the shelf life is longer. General also known as vacuum packaging, vacuum packaging is the first extract all the air in the bag and then to carry on the seal, makes the bag has been in a state of high relief. Not only that, choose three edge sealing packaging material low loss, and good sealing function, high degree of isolation, low oxygen transmission through humidity, moisture anti-fouling prevent radiation reduced, strong mechanical function, appearance and useful light, non-toxic, tasteless meet the national standards. Produced in the sealing bag and 3-side is produced with different devices to due to the produce process is different between the two, and also there will be surely different on purpose.