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Detailed explanation of the performance of paper packaging materials

catalogue：Industry News ctr： time：2022-07-07 09:49:11

1. Printing performance

Both paper and cardboard have a good ability to absorb and bind ink, print well, and are often used as a printing surface on packaging. The printing ability of paper and cardboard mainly depends on the surface smoothness, elasticity, adhesion, etc. of the material.

2. Health and safety performance

In the production of paper raw materials, especially chemical pulping, some chemical substances (such as lye and salts remaining in the kraft pulping process) are usually left, so it is necessary to choose a variety of paper correctly and reasonably according to the packaging contents. and cardboard.

3. Mechanical properties

Paper and cardboard have certain strength, stiffness and mechanical adaptability, and its strength is mainly determined by the material, quality, thickness, processing technology, surface condition and certain temperature and humidity conditions of the paper; in addition, paper also has certain folding It is suitable for making shaped packaging containers or for wrapping.

4. Processing performance

Paper and cardboard have good processing properties, can be folded, and can be sealed in a variety of ways.

Disadvantages of paper packaging:

The water resistance is not very good. Although the carton can be covered with a film, it can only cope with a small amount of water.

In terms of toughness: cartons are easily pierced by sharp objects, and are not suitable for products with sharp edges and corners.

In terms of load-bearing: the carton has a limited load-bearing capacity, usually ranging from a few kilograms to a dozen kilograms. It is recommended to use other packaging such as wooden boxes for items that are too bulky.

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