Self sealing bag refers to the packaging bag that can be automatically sealed by pressing. There are commonly chain clamping self sealing bags, blow bone (concave convex bone) self sealing bags, etc.
Chain clamping self sealing bag (also known as dense bag, including bone sticking bag, sealing bag, chain clamping bag, keel bag, English: ziplock bags, reclosable bag, zipper closure bag, resealable bag) is a kind of plastic bag that can be repeatedly sealed by blowing polyethylene (LDPE) and high-pressure linear polyethylene (LLDPE) and hot cutting machine. Common materials include PE, EVA, Po, multi-layer composite zipper bag, etc
Self sealing bags can be used for internal and external packaging of various small items (accessories, hardware, toys). Self sealing bags made of food grade raw materials can store various small food, tea, seafood, etc., which are moisture-proof, anti odor, waterproof, insect proof and prevent things from scattering; The self sealing bag can also be used for the packaging of clothing and other daily necessities, with a wide range of uses. Anti static self sealing bags can be produced by adding anti-static masterbatch during film blowing production. They are generally used in the electronic industry. There are many temperature differences in the laboratory, so it is necessary to use biodegradable plastic bags.
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