The ton bag is a kind of packaging product, which is widely used in long-distance and foreign trade exports. Its use makes the transportation of goods simple. Its cost is relatively low, and it has been recognized by many ton bag manufacturers. became a bestseller. We know that it can hold a lot of materials, so there are very strict requirements on the safety and practicability of its use. So what are the materials needed to produce tons of bags?
There are two kinds of raw materials for the production of tons of bags, polypropylene, polyethylene, polypropylene is a thermoplastic resin obtained by the polymerization of propylene, polypropylene is a non-toxic, odorless, tasteless milky white high crystalline polymer, density Only 0.90--"0. 91g/cm3, it is one of the lightest varieties of all plastics at present. The base fabric of the ton bag is usually woven by a flat loom or a shuttle circular loom; the rings, slings, and knots are usually woven by the tape loom. The sewing thread can be made of nylon thread, polypropylene thread, polyester thread and cotton thread; the produced ton bag requires a safety factor of more than 5 times, that is, its pressure resistance must bear the strength of five times the filling weight, and it must have a moisture-proof function. There are three kinds of sewing methods for container bags: flat stitch method, chain method and overlock method.
Ton bags play a very important role in many industries and many places, so there are many applications. If you want to transport powder materials, you need to use ton bags. In order to ensure the efficiency of transportation, the quality of the ton bags is also very important. It is very important to be able to hold more goods and ensure that it will not be damaged. . At present, the market demand for ton bags is very large.