The thickness of the material of the express bag is fine, and it is a class A standard in the express bag industry. The body and edge of the bag are all hot-slitting and cutting technology. The express bag has the function of tear resistance and breakage, which enhances the load bearing of the bag. Good strength and waterproof function.
In the destructive sealing express bag fly technology, the sealing glue of the plastic packaging bag is selected from high-strength imported glue, and it still has its damage effect in the environment where the temperature is low and the temperature and humidity are quite different, exceeding the damage of the market. Express bag selection, to ensure the safety of express packaging items.
Express bags use double-layer co-extruded LDPE film materials, which have good tolerance and low color masterbatch transmittance, making the express bags more confidential. According to the needs of customers, HDPE and LDPE composite co-extruded films can also be used to make PO / PE express bags, which directly doubles the stab resistance, tie and pull strength of the express bags.