Tote Bags

With the development of the logistics industry and the improvement of environmental protection requirements, ton bags are developing towards lightweight, high-strength, and environment-friendly directions.

A ton bag, also known as a ton sack or flexible intermediate bulk container (FIBC), is a large flexible packaging container made of materials like polypropylene, named for its typical capacity to carry about 1 ton of goods. The following is a detailed introduction to ton bags from multiple aspects:

I. Materials and Structure of Ton Bags

  • Materials: The main raw material is polypropylene (PP), which is made into base fabric through processes such as wire drawing and weaving, featuring high strength, corrosion resistance, and moisture proof. Some ton bags are coated with materials like polyethylene (PE) on the base fabric to further enhance water resistance.
  • Structure: It generally consists of a bag body, lifting straps, filling openings, and discharge openings. The bag body is cubic or cylindrical, with lifting straps distributed at the top for hoisting and handling; the filling opening is mostly set at the top, designed as an open type or zipper type for easy loading; the discharge opening is located at the bottom for convenient unloading.

II. Classification and Specifications of Ton Bags

Classification Methods:

  • According to usage, they are divided into general ton bags and special ton bags, with the latter suitable for special fields such as chemical industry and food.
  • According to shape, they are divided into circular ton bags and square ton bags, and square ton bags save more space when stacked.
  • According to whether they are conductive, they are divided into ordinary ton bags and conductive ton bags. Conductive ton bags can prevent static electricity accumulation, suitable for packaging inflammable and explosive items.
  • Specifications and Sizes: Common ton bags have a volume of about 1 cubic meter, with a load capacity ranging from 0.5 tons to 3 tons. Specific sizes can be customized according to cargo needs, such as length, width, and height adjustable within a certain range.

III. Characteristics and Advantages of Ton Bags

  • Strong bearing capacity: It can carry hundreds of kilograms to several tons of goods, meeting the packaging needs of bulk cargo.
  • Convenient loading and unloading: Fast loading and unloading can be realized by equipment such as cranes or forklifts, improving logistics efficiency.
  • Space-saving: When empty, it can be folded for storage, occupying little space, which is convenient for storage and transportation.
  • Low cost: Compared with packaging such as wooden boxes and iron barrels, ton bags have lower production and transportation costs.
  • Wide application range: It can be used to package various bulk goods such as grain, chemical fertilizers, chemical raw materials, and mineral products.

IV. Production Process of Ton Bags

  • Raw material treatment: Heat and melt polypropylene particles, and extrude them into filaments through an extruder.
  • Wire drawing and forming: Cool and stretch the extruded filaments to improve their strength and toughness.
  • Weaving and bag making: Use a circular loom to weave the drawn wires into base fabric, and then make the bag body through processes such as cutting and sewing.
  • Post-treatment: Coat, print, etc., on the bag body to enhance performance and aesthetics.

V. Precautions for Using Ton Bags

  • When loading goods, ensure uniform distribution of goods to avoid local overweight.
  • When hoisting, use supporting lifting straps, and the load-bearing capacity of the straps should match the load of the ton bag.
  • During transportation, avoid the ton bag from being scratched or collided by sharp objects.
  • When storing, place the ton bag in a dry and ventilated place, avoiding direct sunlight and rain.
  • For goods with special requirements, such as food and medicine, use special ton bags and ensure they meet relevant hygiene standards.

VI. Industrial Applications of Ton Bags

  • Agricultural field: Used to package grain crops such as wheat, corn, and rice, as well as agricultural production materials such as chemical fertilizers and feeds.
  • Chemical field: Package chemical raw materials, plastic particles, etc., and some conductive ton bags can be used for the transportation of dangerous goods.
  • Construction field: Load construction materials such as cement, sand, and gravel, facilitating construction transportation.
  • Mineral field: Used for bulk transportation of mineral products such as coal and ores.

VII. Development Trends of Ton Bags

With the development of the logistics industry and the improvement of environmental protection requirements, ton bags are developing towards lightweight, high-strength, and environment-friendly directions. The application of some new materials and production processes has continuously improved the performance of ton bags. Meanwhile, the research and development of degradable materials have provided a new direction for the environmental protection of ton bags. In addition, customized services for ton bags are increasingly favored by the market, which can provide personalized packaging solutions according to the needs of different industries.

In conclusion, as an efficient and economical packaging container, ton bags play an important role in modern logistics and industrial production, and their application scope is still expanding. They are expected to be promoted and applied in more fields in the future.

Jinzhong Baichuan Trading Co., Ltd.