Rice bags are basically available in every household. The previous rice bags used woven bags, which we call snake skin bags to hold rice. In recent years, we can find vacuum bags. What is the difference between these two kinds? Which one is better?
Rice can be re-used in sacks and cloth bags, but it is easy to cause mildew and insects due to its high gas permeability, moisture resistance (preventing mildew and deterioration of articles), and poor light barrier. The food plastic bags commonly used in plastic bags are mostly made of polyethylene film, which is non-toxic and can be used for food. There is also a film made of polyvinyl chloride, which is also non-toxic, but the additives added according to the use of the film are often harmful to the human body and have certain toxicity. Therefore, such films and plastic bags made of the film are not suitable for holding food. To identify PVC plastic bags and polyethylene plastic bags, you can use the following simple method to identify:
The vacuum bag is filled with a gas such as nitrogen or carbon dioxide after vacuum is taken. Nitrogen is an inert gas that acts as a filling to maintain a positive pressure on the vacuum bag to prevent air outside the bag from entering the bag and protecting the food. Carbon dioxide has an activity of inhibiting microorganisms such as molds and spoilage bacteria. Some foods such as crunchy and fragile foods, easily deformed oily foods, sharp edges or high hardness will pierce vacuum bags and other foods. After vacuum inflation packaging, the inflation pressure in the vacuum bag is stronger than the atmospheric pressure outside the packaging bag, which can effectively Prevent food from being crushed and deformed under pressure, without affecting the appearance of the bag and printing and decorating. With the promotion of small packages of vacuum bags and the development of supermarkets, the scope of application will become more and more extensive, and some will gradually replace hard packaging.
The rice vacuum packaging bag made of high-barrier materials EVOH, PVDC, PE (polyethylene) T, PA, PE, PP, etc. has the characteristics of moisture-proof (preventing mildew and deterioration of articles), mildew proof and insect-proof effect, and The printed patterns and trademarks on the rice bags will be obvious, and the text and barcodes will be clearly visible, which will make it easier to attract customers and promote sales. Aluminum foil bags, also known as decompression packaging, are based on the principle of atmospheric pressure. The main function of the vacuum bag is to remove oxygen, which is beneficial to prevent food from spoiling and deterioration. Vacuum packaging is the process of removing oxygen from the inside of the package and the food cells with an aspirator to cause the microorganisms to lose their "living environment." The vacuum bag also prevents oxidation of the food, so that the food does not change, and the deterioration reduces the loss of vitamins A and C. Plastic bags are indispensable items in people's daily lives and are often used to hold other items. Because of its low cost, extremely light weight, large capacity, and easy storage, it is widely used, but it is banned from production and use in some countries because of the short degradation cycle of plastic bags and the difficulty of handling. Increasing the quality of PE (polyethylene) T and other materials can increase the strength of rice vacuum plastic (structure: synthetic resin, plasticizer, stabilizer, color) packaging bag, and improve its compression and crack resistance.
Dongguan Bite Packaging Materials Co., Ltd. is a large-scale company specializing in the production of food-grade composite packaging. It is a professional composite packaging bag manufacturer that uses new equipment to produce packaging bags and film rolls to provide environmentally friendly and safe packaging services for the market. The company produces composite bags, film, fruit bags, aluminum foil bags, nozzle bags, stand-up bags, zipper bags, anti-static bags, shaped bags, etc., suitable for food, daily chemicals, electronics, toys, medicine, cosmetics, industrial products, etc. Internal and external packaging for various industries. We adhere to the business philosophy of good faith cooperation, high quality and considerate service, and have been recognized by the industry. Our products are sold all over the world. Welcome friends from all walks of life to inquire, visit our factory for inspection and business negotiation.