The external structure of cardboard boxes is different from ordinary onescorrugated cardboard boxThere is no obvious difference, the key process is to stick a tear adhesive tape inside the corrugated cardboard box and leave a small opening on the outside of the box. When opening the cardboard box, simply follow the tear tape from the small opening to open the box without any tools, showing the packaging items. Irregular corrugated cardboard boxes are the current type of corrugated boxescarton packagingPackaging varieties with diverse forms; In supermarkets, goods should be placed directly on the shelves with good product display function. However, how to quickly and easily open the cardboard box packaging to achieve quick retrieval and placement of goods without the need for any tools such as scissors or knives? This type of cardboard box has been widely used in supermarkets abroad, and there is also a great demand in China. The tear adhesive tape used for easy opening cardboard boxes is composed of a modified tension polypropylene backing combined with natural rubber adhesive. Natural rubber adhesive provides excellent initial adhesion, tear resistance, and strong adhesion on different material surfaces. The tear tape used in the production of corrugated cardboard boxes is generally a roll wound structure. According to the width of the torn tape, the general width range is between 3mm and 20mm, and the length of a roll of tape is about 40000 meters. The long scroll packaging method can reduce the number of times new scrolls need to be replaced, which can improve production efficiency.