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Protection and selection methods of food packaging bags

Nowadays, people’s living standards are constantly improving, and people’s requirements for quality of life have become higher, which has also made the use of food packaging bags more extensive, but how to protect food packaging bags so that they can be used for a long time Longer? How do we choose food packaging bags? Four protection methods of composite packaging bags, aluminum foil bags, and plastic packaging bags for food packaging bags: 1. Since food packaging bags are greatly affected by temperature, remember to try not to put them in places that can be directly exposed to sunlight, because strong Ultraviolet radiation will accelerate the aging of food packaging bags. 2. Food packaging bags must avoid extreme heat and extreme cold as much as possible, so as to prevent food packaging bags from expanding and contracting and shortening their life. 3. Remember not to put the food packaging bag in a damp and airless place, which will easily rot the packaging bag and affect its use. 4. For some food packaging bags that have not been used for a long time, be sure to check them carefully for cracks before starting to use them. The above are the four protection methods of food packaging bags. We must remember this method in normal use, so that your packaging bags can have a better service life. There are many types of vacuum bags, which are divided into two categories: industrial packaging and food packaging. The product standard required for food vacuum bags is significantly higher than that of ordinary industrial products. What aspects should be paid attention to when choosing food vacuum bags correctly? 1. The outer packaging of food packaging bags for food should have a Chinese logo, label the name of the factory, the address of the factory, and the name of the product, and the words “for food” should be clearly marked. Products are accompanied by a product inspection certificate after leaving the factory. 2. Food packaging bags for food are odorless and odorless when leaving the factory, and food packaging bags with special odor cannot be used for food packaging. 3. Colored food packaging bags (such as dark red or black currently on the market) cannot be used for food packaging. Because such food packaging bags are often made of recycled plastic. 4. Try to use materials that are not coated or plated. In modern packaging design, in order to make the packaging more beautiful and corrosion-resistant, a large number of materials with plating are used. This not only brings difficulties to the recycling and reuse of materials after the products are scrapped, but most of the coatings themselves are toxic. If people eat these packaged foods, it will cause great harm to people’s bodies. In addition, the coating and plating process also brings great pollution to the environment. For example, the paint volatilizes toxic solvent gas, and the waste liquid and waste residue pollution containing heavy metals such as chromium are generated during electroplating. Therefore, packaging materials that are not coated or plated should be selected as far as possible. 5. It is best to buy food in big shopping malls instead of street stalls. 6. Due to the non-degradable characteristics of food packaging bags for food, it will cause environmental pollution. Therefore, when purchasing food, it is best to use green packaging materials. Paper is currently the most widely used green packaging material. Therefore, it is best to choose original paper packaging when purchasing food, and biodegradable plastics are also acceptable. [food bag][aluminum foil bag][vacuum bag]

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