There are many kinds of food products today, but more than 80% of food products use cardboard boxes as the main packaging. Food is used to eat, so whether it is clean or not has attracted people’s attention. Cardboard boxes are used to package food, so carton boxes are used. Safety is also important. So, what kind of carton is used for food packaging? What kind of carton packaging can ensure the safety of food?
1. Processing function
The carton must have excellent processing performance, can be folded and disposed of, and can be easily processed into packaging containers with various functions by using a variety of sealing methods, and can easily complete mechanized processing operations.
2. Isolation function
The carton is a porous fiber material, which has a certain permeability to moisture, gas, grease, etc., and the temperature and humidity have a great influence on its insulation. Appropriate surface processing should be done to meet the needs of its isolation function.
3. Cleaning safety function
The carton usually retains certain chemical substances during the processing of the paper, so it is necessary to select the correct paper according to the packaging.
4. Mechanical function
The carton should have certain strength, stiffness and mechanical adaptability, as well as certain foldability, elasticity and tearability, etc. It is suitable for the manufacture of forming packaging containers or for wrapping.
5. Printing function
The paper of the carton has a strong ability to absorb and bond ink, and has a good printing function, so it is often used as a printed surface on the packaging.
