How to judge the paper box
The paper box can be judged according to the following three methods: 1. Raw materials for paper box The raw material determines the quality of the final product. In the production process, no details can be underestimated. 2. water If the water content in corrugated board is too high, the paper box will easily reduce the pressure resistance of the carton. 3. The shape of paper box The higher the carton height, the smaller its stability function, the lower the compressive strength. Source : https://www.fortuneprintings.com/xinwenzixun/zhihezhishi/211.html