Three-sided sealed bag is a common type of packaging bag. The following is an introduction to the three-sided sealing bag:

I. Appearance features

The three-sided sealing bag is cuboid-shaped, with three sides sealed. Usually, the upper side is the open edge, which is convenient for loading and removal of items. Its shape is regular and easy to place and store.

II. Production materials

1. Plastic materials: such as polyethylene (PE), polypropylene (PP), etc., which are lightweight, waterproof, moisture-proof, corrosion-resistant and other characteristics.

Two. Aluminum foil material: It has good barrier properties, can be moisture-proof, oxidation-proof and light-blocking. It is suitable for items with high storage conditions, such as food, medicine, etc.

III. Field of application

1. Food industry: It can be used to pack various foods such as candy, nuts, biscuits, tea, etc., which can effectively maintain the freshness and taste of food.

Two. Pharmaceutical industry: used to package drugs, health care products, etc. to ensure the stability and safety of drugs.

3. Daily chemical industry: can pack cosmetics, shampoo, shower gel and other daily necessities.

IV. Advantages

1. Good sealing: The design of the three-sided seal makes the bag have excellent sealing performance, which can effectively prevent leakage, moisture and contamination of items.

Two. Exquisite printing: It can be exquisitely printed on the surface of the bag to display product information, brand logo, etc., which plays a good publicity role.

3. Low cost: Compared with other packaging bags with complex structures, the production process of three-sided sealed bags is relatively simple and the cost is lower.