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.

夾鏈自封袋（又稱為密實袋，有貼骨袋，密封袋，夾鏈袋，龍骨袋，英文：Ziplock bags，Reclosable Bag, Zipper Closure Bag,Resealable Bag），以聚乙烯（LDPE）和高壓線型聚乙烯（LLDPE)通過吹膜成型，熱切機制袋，制成的一種可以重復封口的塑料袋。常見材質有PE,EVA,PO，多層復合拉鏈袋等

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

用途

purpose

自封袋可用于各種小型物品(飾品、小五金、玩具)的內外包裝。用食品級的原料生產的自封袋可以存放各種小食品、茶葉，海產品等,防潮、防串味、防水、防蟲、防止東西散落；自封袋還可用于服裝及其他日常用品的包裝，用途廣泛。自封袋在吹膜生產時加入防靜電母粒即可生產出防靜電自封袋，一般應用于電子行業。實驗室的溫度差異變化較多，需要*具體的用生物降解塑料袋進行搭配使用。

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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