Vacuum bag

  1. Why does the stored milk have a "peculiar smell", can it still be drunk? This is due to the presence of lipase in breast milk, the fat in milk stored for a certain period of time will be decomposed into fatty acids, fatty acids are easily oxidized, and the appearance of sour taste does not affect the taste of milk, and the fat is decomposed in the process, It also has antibacterial effect, so you can drink it with confidence. 2. If there is space in the storage container, can I mix and store breast milk collected at different times? The fresh breast milk that is put in the refrigerator to cool down can be filled with newly collected milk in the same container within 24 hours, but the storage time should start with the time of first expression. However, it is not recommended to add fresh milk to long-term refrigerated or frozen milk. 3. How to tell whether breast milk has deteriorated? parents choice breast milk bags? In addition to the calculation based on the storage ti...

  In modern society, the packaging industry has firmly established itself as the second largest consumer industry chair, second only to the clothing industry. In our lives, packaging bags can also be seen everywhere. So, do you know the most commonly used packaging? Do you know what technologies are used? What is the classification of packaging technology? Today, ChouQin vacuum packaging bag manufacturers will answer for everyone one by one. If commercial grade vacuum sealer bags are viewed in terms of functionality, our packaging technology can be divided into: 1. Moisture-proof packaging-to prevent external moisture from affecting the goods, use materials with water vapor resistance to package the goods; 2. Waterproof packaging-the obvious meaning is waterproof, to prevent the deterioration of goods due to water, etc.; 3. Dust-proof packaging-usually sealed to prevent dust from entering the packaging container and affecting the quality of the product; 4. Shockproof packaging-to r...

  Before food packaging bag production, it is necessary to design box printing. Packaging bag design can now be divided into two types, bag design, packaging pattern and color design. Printing refers to the printing and deployment of colors, and the color effects of printing. Food packaging bag design: The packaging bag type generally adopts four-side seal, eight-side seal, simple atmosphere, in addition to three-side seal packaging bags, there are side seals, middle seals, zipper bags, self-supporting bags and so on. The design of the bag type can be determined according to the requirements, and the bag type of the packaging bag can be a self-supporting bag with a spout. In the market, this type of bag is very popular. You can stand under the self-supporting bag, which is more convenient to place and the bag shape is more beautiful. Food packaging bag color design: If the color of the packaging bag is bright and rich, the color and pattern of the packaging bag must be properly mat...

  Food bags generally refer to film containers that can have direct contact with food to dress or protect food, generally made of two or more layers of composite materials. According to their application scope, food packaging bags can be divided into: ordinary food packaging bags, vacuum food packaging bags, inflatable food packaging bags, boiled food packaging bags, high-temperature cooking food packaging bags and special functional food packaging bags. Inspection standard for  Food vacuum packaging bags wholesale  2.Food vacuum packaging bags wholesale inspection items are mainly divided into four categories (1) The appearance shall not have defects in air bubbles, perforation, water lines, violent tendons, poor plasticity, fish eye rigidity and other problems hindering the use. The deviation of specification width, length and thickness shall be within the specified deviation range. (2) physical and mechanical properties include tensile strength and fracture elongation,...

  Vacuum packaging bag customization, the vacuum and vacuum-filled flexible packaging technology for food, occupies a certain position in the food packaging technology, and some functions and functions cannot be easily replaced by other packaging technologies. my country’s vacuum packaging machine technology was developed in the early 1980s, while vacuum inflatable packaging technology began to be used in a small amount in the early 1990s. With the promotion of small packaging and the development of supermarkets, its scope of application will become more and more. Widespread, some will gradually replace hard packaging, the prospects are very promising. The working principle of the vacuum packaging machine is to extract the oxygen in the packaging bag and in the food cells, so that the microorganisms lose the "survival environment", because the mildew and spoilage of food are mainly caused by the activities of microorganisms, and most microorganisms (such as molds and molds) Y...

For wholesale vacuum packaging bags, the problem that is worried about is that the vacuum packaging bags will swell after being placed for a period of time. This loses the meaning of vacuum packaging. Do you know the reason for this? The following is an analysis of the four major reasons why ChouQin packaging bag manufacturers have leaked and swelled wholesale vacuum packaging bags. 1. Bacteria multiplying in the vacuum packaging bag will often produce gas, which is one of the reasons for the bag swelling of food. Wholesale vacuum packaging bags , if the material of the vacuum packaging bag is okay, you can consider whether it is due to incomplete sterilization and rapid propagation of bacteria inside. This situation usually occurs in vacuum packaging of meat products. In use, the inspection method is very simple. Use the bag to fill the appropriate amount of rice (rice generally does not have aerobic bacteria) and leave it for half a month after vacuuming. If there is no phenomenon of...

  The main function of food vacuum packaging bag is to keep fresh and extend the shelf life of food. It is an economical and practical product. In daily life, people are used to heating food in a microwave oven, which is quick and convenient. Then, can food vacuum packaging bags be heated in a microwave oven? ? The answer is yes, the editor summarizes the following two points for attention: 1. The sealed  food vacuum packaging bag  is heated in a microwave oven. If the air pressure in the bag is too high, it will explode, and it is included in the microwave oven manual. The food in the food packaging bag must be opened first when it is heated in the microwave oven.   2. The material problem of food vacuum packaging bags. Generally, the material of food vacuum packaging bags is made of polyethylene and polyvinyl chloride. The polyethylene material is non-toxic and has a temperature resistance of 130 degrees. The food packaging bags of this material can be heated in a ...

  Embossed vacuum sealer bags are colorless and transparent on one side, and have small lines on the other side. The patterned vacuum bag is processed by seven-layer co-extruded film without glue compounding. Many manufacturers say that glue is non-toxic. At present, the competition in the industry is fierce, and many manufacturers are very impetuous and eager for quick success. Only cut corners on raw materials and reduce costs. Therefore, the quality of glue is difficult to guarantee. During the cooking process, the glue in the ordinary vacuum bag will be boiled out, and it is not known whether it is poisonous. Relatively speaking, the textured vacuum bag is more hygienic and safer. The textured bag is not printed and will not be polluted by ink and chemical solvents. This is also the reason why people love textured vacuum bags.   Why use textured bags for vacuuming? Embossed vacuum sealer bags are embossed vacuum sealer bags with small lines on one side, which can form micr...

  Everyone needs food vacuum bags near me in life to keep their food fresh. Vacuum food sealer bags near me, as the name implies, vacuum bag is to maintain a relatively high pressure in the bag. Vacuum bag is to take out all the air in the package and seal. The scarcity of air is equivalent to the effect of low oxygen, so that there is no condition for survival. So as to achieve the purpose of keeping fresh and reducing the growth of bacteria. Ordinary vacuum bags are prone to blind spots when vacuuming, resulting in incomplete vacuuming and unable to extend the shelf life of food. However, ChouQin packaging vacuum bags with lines can form micro-channels when vacuuming, and vacuuming is relatively comparative Thoroughly, so as to effectively extend the shelf life of food. Reminder: Vacuum packaging can greatly increase the food preservation cycle, but it cannot completely replace the refrigeration method. It is recommended that the combination of vacuum packaging and refrigerator s...