All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier

About products and suppliers

Mini ziplock bags, also known as small resealable bags, are tiny plastic bags with a zip-like closure mechanism. Commonly used are dense bags, keel bags, zipper bags, etc. The ziplock bag is a re-sealable plastic bag made of polyethylene and high-voltage linear polyethylene through blown film molding and hot-cut machine bagging. Common materials include PE\PO\EVA, multi-layer composite zipper bags, etc. Mini ziplock bags have many uses. Mini ziplock bags can be used for the internal and external packaging of various small items, such as mini ziplock bags for jewelry, small hardware, and small toys. Mini ziplock bags produced with food-grade raw materials can store various snacks, tea, seafood, etc. Mini ziplock bags can be moisture-proof, odor-proof, waterproof, insect-proof, and prevent things from scattering. They are widely used. Anti-static mini ziplock bags can be produced by adding anti-static masterbatch during film-blowing production, which is generally used in the electronics industry. Furthermore, choose the Custom mini ziplock bags to meet all needs.

Production and principle of mini ziplock bag

The production of the chain self-sealing bag is divided into two kinds: one is direct blowing film molding, the self-sealing mouth is generally 1.8CM above, the self-sealing mouth is relatively thick, and the left and right sides of the self-sealing bag are made of hot sealing into finished products; The other is the method of attaching chain after, and the latter method is mainly used for the production of composite bags.

The production of a self-adhesive self-sealing bag mainly uses a single film cross-cutting heat sealing on both sides; the positive and negative lengths of the bag are different; one side is 3-5cm longer than the other side, the folding part is covered with self-adhesive, destructive adhesive and other colloids, and the plastic mask on the colloidal can be torn back when in use. The common specification thickness of the clip chain ziplock bag is generally 0.03mm on one side, also known as 3s, and there are 0.03 mm~0.2 mm, etc., which can be produced according to different needs.

The principle of self-sealing bags can be roughly divided into two categories: mutual adsorption and self-bonding. One of the principles of the ziplock bag is to achieve a seal through mutual adsorption. The inside of the zip-lock bag contains an adhesive, and when the two bags are in contact, the adhesive will react to form a strong adsorption force, quickly closing the bag's mouth. The principle of another self-sealing bag is to achieve a seal by self-bonding. The inside of the bag contains an adhesive, and the mouth of the bag is automatically bonded when the two sides of the bag rub against each other by gently pressing the hand.

Advantages of mini ziplock bags

The biggest advantage of the mini ziplock bag is that it is fast and can quickly close itself. In addition, the mini ziplock bag is waterproof, dustproof, durable, and other properties; in addition, it can also be reused. The ziplock bag is functional, and its sealing principle is divided into mutual adsorption and self-bonding. The advantages of ziplock bags are fast, waterproof, reusable, etc. The application scenarios mainly include jewelry, medical, food, logistics, and other fields. Alibaba.com has various mini ziplock bags for sale, and the bags are mini ziplock bags with designs such as the Hello Kitty mini ziplock bags.