How to identify the quality of the carton
shenzhen cardboard-box factory products play a role in our life is relatively large, in order to ensure product quality, some matters need to pay attention to, now it's time to carefully to understand this knowledge introduction?
at the time of purchase products, need to look at the appearance of the products conform to our quality requirements, the general quality good product appearance is no scratches, at the same time there is no leak, budgeting pincer-like device at the same time also need to make sure it is qualified, he detection method is both hands into bags and average force to the opposite direction. Tear is pincer-like device even if the deformation will not layered peeling, as the sealing strength is high, with a tear is broken, is regarded as the sealing low light, in real life, the packing bag of CPE material is higher than the OPP material strength.
our packing carton in life there are still a lot of useless, this is a more common one kind of material in our lives, plays an essential role in our life.