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Suction nozzle packaging bags are mainly divided into ordinary suction nozzle bags and high-temperature resistant suction nozzle bags. Ordinary suction nozzle bags mainly consider safety, firmness and reusability, such as liquid packaging bags and laundry detergent packaging bags, while high-temperature cooking bags should consider food safety. How to ensure that the materials, solvents and inks will not be dissolved in the process of high-temperature cooking. And it can also ensure that the nutritional components of the product do not lose and taste problems.

Ordinary suction nozzle packaging bag

1. Pet/pe, pa/pet/pe, pet/pe/ aluminized /yopp, pet/pe/yopp, etc. are recommended for common materials

2. There is no particularly high requirement for the material solvent of ordinary nozzle packaging bags, as long as it can ensure that the material is stable in chemical properties at room temperature, non-toxic and tasteless, and will not decompose. It has a certain acid resistance, alkaline resistance and explosion resistance!

3. Control the friction coefficient of the film. When the automatic filling machine is filling, the outer surface of the film in the packaging bag should maintain good smoothness, so that the automatic packaging machine can increase the fluidity of the liquid and fill smoothly in the process of high-speed operation.

4. When matching materials, we should pay attention to the properties of the materials. If the materials are too soft, the tension of the suction nozzle packaging bag will be very poor, there will be no three-dimensional sense, and it is easy to stretch and break under the tension of the high-speed automatic filling machine.

High temperature cooking suction nozzle packaging bag

1. Three layer materials are recommended for common materials: pet/ pure aluminum /rcpp, ppet/pa/rcpp. Four layer material: pet/ pure aluminum /pa/rcpp

2. Due to special use, the material performance will be taken as the key consideration standard. Such as acid resistance, alkaline resistance, impact resistance, freezing resistance, barrier property, etc.

3. The above materials have extremely stable chemical properties at high temperatures. As for whether the compound solvent will decompose, it is suggested to choose a packaging bag manufacturer with scale and experience.

4. Pay attention to the sterilization methods. There are two ways of high-temperature sterilization, high-pressure sterilization and low-temperature atmospheric sterilization. The advantage of low temperature and normal pressure sterilization is that the stability of heating is relatively low, so the cellulose and protein of food have not been destroyed, and the taste remains better and unchanged. And all kinds of nutrients are well preserved. The disadvantage is that low temperature only kills pathogenic bacteria, and there will be a large number of spoilage bacteria in food, so the shelf life of food will be shorter than that of high temperature sterilization, and it is easy to cause product loss during transportation. High temperature and high pressure sterilization just solves this problem. In the environment of high temperature and high pressure, most bacteria and spoilage bacteria will be killed, so the shelf life of products can be greatly extended. However, the problem is that the high heating temperature will destroy the cellulose and protein of food, resulting in the loss of some nutrients in food and the discount of taste.

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