What are the specific functions of food packaging bags?

Today’s food packaging bags are ubiquitous, but few people can summarize the specific role of food packaging bags. The following is a summary of the part of Haoxiang packaging food packaging bags:

The food stored in the bag needs to avoid extrusion, impact, vibration, temperature difference, and the like.

Shell protection:

The outer casing separates food from oxygen, water vapor, stains, etc. Leakage is also a necessary factor in packaging design. Some packages include desiccants or deoxidizers to extend shelf life. Vacuum packaging or evacuating the air in the bag is also the main food packaging method. Keeping the food clean, fresh, and safe during the shelf life is the primary function of the package. 

Same package:

Stuffing a small item of the same kind into a package is a good way to save volume. Powders and granular objects need to be packaged.

send Message:

Packaging and labels tell people how to use, transport, recycle or treat packaging or food.

Safety:

Packaging can play an important role in reducing transportation safety risks. The bag also prevents food from being returned to other items. Food packaging also reduces the likelihood of food being stolen. Some food packaging is robust and has anti-counterfeiting labels to protect the interests of the business from loss. The bag can have a laser logo, special color, SMS authentication, and other labels. In addition, in order to prevent theft, the retailer has an electronic surveillance label attached to the food packaging bag, and the consumer receives the outlet of the store for degaussing.

convenient:

Packaging may be easy to add, handle, stack, display, sell, open, reload, use and reuse. 

Physical and mechanical properties:

Including tensile strength and elongation at break, it reflects the ability of the product to withstand stretching during use. If this item is unqualified, the food packaging bag is prone to cracking and damage during use.

In addition, it also includes gas barrier properties such as gas permeability; oil resistance index, heat resistance, cold resistance, medium resistance; bag peeling force, bag pressure resistance, drop resistance, etc. These indicators reflect the food packaging bag. The reliability of the protection of the inner packaging.