The introduction and function of food packaging bag

The food bag refers to the thin film container used to directly contact the food and for packaging and protecting the food. The English name is the pouch. The food bag should be made of food-grade plastic film, usually a composite bag with more than two layers. The information on the food package should meet the requirements of the GB standard 2160-2008. Food bags can be divided into ordinary food bags, vacuum food bags, inflatable food bags, cooked food bags, cooked food bags and functional food bags. It is not good for food to pursue vision and excessive packaging, causing a waste of resources or misunderstanding of consumers.

At present, the kraft paper in the plastic melon seed bag is generally 50-60 grams, and the white paper in the salt bag is generally 27 grams. Its role in river crossing does not increase the protection of commodities, does not conform to the principle of reduction and low carbon, and is not conducive to the recycling of waste. "Fake environmental protection".

Physical protection: Food stored in packaging bags should avoid extrusion, impact, vibration, temperature difference and other phenomena.

Shell protection: The shell can separate the food from oxygen, water vapor, stains, etc., and prevent leakage is also a necessary factor in the packaging design. To extend shelf life, some packages include a desiccant or deoxidizer. Food packaging methods are also vacuum packaging or extract air from packaging bags. The main function of packaging bag is to keep food clean, fresh and safe during the shelf life.

Same packing

Inserting similar small items into a package is a great way to save volume. You need to pack powder and particulate matter.

Get the message across: Packaging and labeling tell people how to use, transport, recycle or dispose of packaging or food.

Marketing: Box labels are often used to encourage potential buyers to buy goods. For decades, packaging design has been a pivotal and ever-changing phenomenon. The highlight of the box and sales presentation is marketing communications and graphic design. security

Packaging plays an important role in reducing transportation safety risks. The packaging also prevents food from entering other goods. Food packaging can also reduce the likelihood of food being stolen. Some food packaging is strong, with anti-counterfeiting marks, to protect the interests of the business from loss. Labels such as laser labels, special colors, and SMS authentication can be placed on the package. In addition, to prevent theft, retailers place electronic monitoring labels on food packaging, waiting for consumers to exit the store for demagnetization.

Convenience: Packaging can be used for adding, loading, unloading, stacking, display, sale, opening, reinstallation, use and reuse. Partial control of individual packages helps to accurately control the overall situation. For example, salt can be known in the package as the stock. It's also easy to count sales, such as dairy companies, that recycle milk bottles instead of letting consumers fill them themselves.