The big bag is a flexible transport packaging container, which has the advantages of moisture-proof, dust-proof, radiation-resistant, firm and safe, and has sufficient strength in structure. It can be widely used in the packaging of various powdery, granular and massive items such as chemicals, building materials, plastics, mineral products, etc. It is an ideal product for storage, transportation and other industries. But the ton bag is a large container bag commonly used in modern port transportation. It can hold more items and has very convenient characteristics. We know that dust and humid air are unavoidable due to the influence of weather and natural environment during port transportation, but many products need to be dust-proof and moisture-proof, so how does the ton bag achieve dust-proof and moisture-proof?
Ton bags mainly use polypropylene as the main raw material. After adding a small amount of stable seasoning and mixing evenly, the plastic film is melted and extruded by the extruder, cut into filaments, then stretched, and made into high-strength and low-elongation by heat setting. The high-efficiency PP raw silk is woven and coated to make the base fabric of plastic woven cloth, which is sewn with slings and other accessories to make a ton bag. It has the characteristics of moisture-proof, dust-proof, radiation-resistant, firm and safe. It can be conveniently loaded, unloaded and carried during cargo transportation, which greatly improves work efficiency. It is currently the most used transport packaging.
The production of the ton bag adopts the upper and lower compound feeding, and the presser foot cross lifting mechanism. Under any needle length within the rated range, the upper and lower layers will not shift when sewing slippery, viscous sewing materials and special long products, so that the products are neat and the stitches are beautiful; The rod take-up mechanism increases the spindle speed; the high-precision steel processing technology effectively reduces noise and prolongs the service life.