How is the sealing of the plastic fresh-keeping box, and can it keep the food fresh?

This plastic fresh-keeping box has a good sealing performance. The plastic fresh-keeping box uses high-quality sealing materials such as silicone rubber. These materials have good elasticity and sealing performance, and can fit tightly in the gap between the lid and the box body, effectively preventing the entry of air, moisture and odor. Some fresh-keeping boxes adopt a lock design, which ensures the tight combination between the lid and the box body through a locking mechanism, and is not easy to loosen even during transportation or movement.
The sealing rings equipped on the edge of the lid are usually made of soft and durable materials, such as food-grade silicone. They can fit tightly on the tiny gap between the lid and the box body to form an almost impenetrable barrier. This design can not only effectively prevent air circulation, but also prevent the evaporation of moisture in the food, ensuring that the food maintains its original humidity and taste during storage. At the same time, the sealing ring also has a certain degree of elasticity, which can adapt to the slight deformation of the lid after multiple openings and closings, and continue to maintain an excellent sealing effect. The edge of the box lid is equipped with a sealing ring, which further enhances the sealing effect and prevents food from contacting the air, thereby maintaining the freshness and taste of the food. Under refrigeration and freezing conditions, the fresh-keeping box can keep the food at a low temperature, delay the growth of bacteria, and thus extend the shelf life of the food.
Good sealing performance can prevent the evaporation of moisture in the food and maintain the moisture and taste of the food. Fresh-keeping boxes with good sealing performance can also effectively isolate the invasion of external odors, avoid the cross-flavoring of foods, and ensure the original flavor of the food. By reducing the contact of food with air, moisture and odor, plastic fresh-keeping boxes can significantly extend the shelf life of food and reduce food waste.
Although plastic fresh-keeping boxes have excellent sealing performance, some details should be paid attention to during use. Long-term exposure to sunlight or high temperature environment may damage the sealing material and affect the sealing performance. When using, avoid sharp objects scratching the surface of the fresh-keeping box or the sealing ring to avoid affecting the sealing effect. Clean the fresh-keeping box regularly to ensure that the sealing parts such as the sealing ring are clean and hygienic, which will help maintain its sealing performance.
Plastic fresh-keeping boxes are usually very airtight and can effectively keep food fresh and taste good. However, some details still need to be paid attention to during use to ensure its optimal performance.