How is the breathability of Woven Bag, and in which applications should the breathability factor be considered?
Publish Time: 2024-08-02
The breathability of Woven Bag is an important characteristic, which is closely related to the material and weaving process of Woven Bag.
Generally speaking, Woven Bag is woven from materials such as plastic fibers, and its structure has certain pores. Compared with some packaging materials with excellent sealing performance, Woven Bag has certain breathability. This breathability allows gas molecules to exchange through the pores of Woven Bag to a certain extent. For example, taking the common polypropylene Woven Bag as an example, there are tiny gaps between its fibers, and air can flow through these gaps, but this degree of breathability is also limited.
In agricultural applications, the breathability factor is crucial. When used to hold seeds, moderate breathability ensures that the seeds can breathe normally. If the seeds are in a completely sealed and airtight environment during storage, the accumulation of gases such as carbon dioxide produced by their own breathing may lead to an oxygen-deficient environment, which in turn affects the vitality and germination rate of the seeds. The breathability of Woven Bag can maintain a relatively suitable gas environment around the seeds, which is conducive to the preservation of seeds. In the transportation of agricultural products, such as the packaging of vegetables and fruits, the air permeability should not be ignored. Vegetables and fruits will also breathe during transportation. Good air permeability helps to discharge the ethylene and other gases they produce, reduce the respiration intensity of fruits and vegetables, delay their maturation and aging process, and reduce the chance of rot and deterioration, thereby ensuring the quality and freshness of fruits and vegetables.
However, in some special application scenarios, the air permeability of Woven bags may also bring some problems. For example, when packaging some chemical products or fine materials that are susceptible to moisture and oxidation, the breathable Woven bags may allow moisture and oxygen in the air to enter, resulting in product quality being affected. Therefore, in these cases, it is necessary to consider special treatment of the Woven bag, such as adding coatings to reduce its air permeability to meet the packaging needs of the product. In short, in different applications, we need to reasonably consider the air permeability of the Woven bag according to the specific situation to achieve the best packaging effect.
