Corrugated box becomes an essential element for quality

According to the relevant information provided by the US packaging agency, beer corrugated box packaging will still have good development prospects in the next 10 years, and the potential market is very large. In order to enhance and protect the safety of beer and the good appearance of the product, beer corrugated boxes must have the following elements in order to become a quality product.

Protective function

Protecting the beer inside is the primary function of beer corrugated boxes. Therefore, according to the different weight and stacking height of corrugated cardboard boxes, beer manufacturers formulate physical strength indexes of corrugated cardboard boxes, including the edge compression strength, burst strength, piercing strength, adhesive strength, and compressive strength of empty boxes. . The beer corrugated box should meet these physical strength requirements and realize its protection function.

Sales function

Exquisite printed patterns play a huge role in attracting consumers' attention in the current fiercely competitive terminal market channels, and have a good role in improving the brand reputation and promotion of products. Nowadays, more consumers like to buy beer in a full box or as a gift. The exquisite corrugated cardboard outer packaging becomes a silent salesman. Beer corrugated cardboard boxes are not only the product's transportation packaging, but are now slowly penetrating into the sales packaging.

At present, the colorization of corrugated box packaging has become the mainstream of beer corrugated boxes, which has improved the grade of beer. The existing corrugated carton packaging colorization process is divided into three methods: traditional offset printing, flexo printing and pre-printing. In the printing of beer corrugated boxes, the main printing method is offset printing, pre-printing and flexo printing only account for about 10% to 20%. However, as an advanced printing process, pre-printing began to attract the attention of beer production enterprises, and its application in the beer industry gradually increased.

Color printed beer corrugated boxes require uniform color difference to ensure the overall image. Printing chromatic aberration is generally judged by visual method and instrument method: (1) Visual method: the same batch of products is not allowed to be identified by the naked eye, and there is no obvious color difference between batches of the same variety. (2) Instrument method: the same batch of products △ E≤2.0, the same variety batch △ E≤2.5.

The humanized design on the structure of beer corrugated boxes enhances the display effect and endows corrugated boxes with auxiliary functions. For example, the beer corrugated cardboard box top is added with a hand tearing design, which can be opened when the hand is torn off, which is convenient for beer picking and placing. At the same time, the beer carton after the hand tearing has a better display function. With the development of supermarkets, the addition of window opening design or partial transparent design of corrugated cardboard boxes for beer will be optimistic, and consumers can see the beer inside at a glance.

Friction resistance

In order to ensure the appearance quality of the product, the surface ink layer of the corrugated cardboard box should usually be tested for abrasion resistance to evaluate the abrasion resistance of the printing ink on the corrugated cardboard box. Beer corrugated boxes require to be able to withstand a certain amount of force and be rubbed back and forth more than 100 times without printing the color of the corrugated boxes.

The "dry friction test method" is used to test the wear resistance of the ink layer on the surface of the corrugated cardboard box. The test method usually uses a friction test machine to detect, first attach the white test paper to the friction body, and then enter the number of friction required by the test standard into the control system, start the machine, and the test can be automatically controlled. The actuator adopts a high-precision gear reduction micro motor to drive the friction body to perform linear reciprocating friction movement, and a buzzer prompt appears after the test. The test result is to evaluate the abrasion resistance of the ink layer on the surface of the corrugated carton according to whether there are obvious ink marks on the surface of the white test paper.

Whether the wear resistance of the ink layer on the surface of the corrugated box is good is mainly determined by the quality performance of the ink and the varnish on the box surface. Ink and varnish with good wear resistance and good adhesion should be selected during production.

Non-slip performance

In order to prevent the beer box from slipping, causing the beer box to tilt, fall, and collide, causing the beer to burst, the corrugated cardboard box must have certain anti-slip properties.

The anti-skid performance of beer corrugated boxes is evaluated by the anti-skid angle, which is also called the coefficient of static friction between the corrugated boxes. In order to take into account the production logistics and loading and unloading efficiency, the anti-skid angle of beer corrugated boxes can be accepted within 24 ° ± 3 °, that is, the stacking of corrugated boxes is within 24 ° ± 3 °, and the phenomenon of slipping between the boxes cannot occur.

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