How to distinguish the quality of cpe matte bags?

CPE frosted bag is a polymer material made of high-density polyethylene (HDPE) through chlorination substitution reaction. The alias is called PE frosted bag, milk white plastic bag, CPE bag, milk bag, CPE frosted bag, CPE plastic bag, CPE Plastic bags, PE bags. The characteristics are: 　　1. The CPE frosted bag is translucent milky white, the material is soft and feels good, but it can also be customized according to customer needs; 　　2. It has elastomers, good weather resistance, ozone resistance, aging resistance, and chemical resistance. Low embrittlement temperature, flame retardant and other characteristics; 　　 3. Not easy to burst edges, wrinkles, deformation, can effectively prevent the product and the bag friction caused by the product surface scratch.　　How to distinguish the quality of cpe matte bags?　　 one mold: whether it feels soft to the touch, 　　 second look: whether the trimming is neat, whether the printing fades or not, 　　 three pulls: the sealing strength and tensile strength of the bag.　　 (Whether the printing fades or not; whether the electrostatic performance, sealing performance, opening performance meet the requirements, whether the sealing opening and closing (3 times) is smooth, whether there is misalignment, and whether the viscosity is appropriate.