1. The viscosity of the adhesive is insufficient or the amount of glue is insufficient;

2. The materials of the adhesive and the transparent plastic box do not match;

3. The adhesive part of the transparent plastic box is processed by surface treatment such as laminating, glazing, etc., the adhesive is difficult to penetrate the surface layer, penetrates into the paper, and the carton is difficult to stick;

4. After the folding glue is applied, the pressure of the transparent plastic box is insufficient, and the pressing time is not long enough, which is not conducive to sticking and firming.

Shenzhen Xin Hong Yang Packing Co., Ltd., engaged in plastic box customization. Plastic box manufacturer which is better? To find plastic box custom manufacturers, choose Shenzhen Xin Hong Yang Packing Co., Ltd.,  high-quality transparent plastic box, large output, fast delivery, rapid delivery, quality assurance. 

Phone: +8613554903780 

Fax: +86-755-85207250 

E-mail: sales3@xhypackaging.com

Website: http://www.packaging-box-suppliers.com/