1、自封袋太緊了不好打開，我們可以利用摩擦力，兩個摩擦力與袋口平行，作用在袋口的兩邊，方向相反。在摩擦力的作用下，袋口兩端會各開一個口，用硬物放到口里一刮，袋子就打開了。當然得注意不要把袋里的東西刮壞了。

1. The self-sealing bag is too tight to open. We can use the friction force. The two friction forces are parallel to the bag mouth and act on both sides of the bag mouth in opposite directions. Under the action of friction, there will be one opening at both ends of the bag mouth. When you put a hard object in the mouth, the bag will open. Of course, be careful not to scratch the contents of the bag.

2、濟南自封袋是一種壓合可自動封口的包裝袋，常見有密實袋，龍骨袋、拉鏈袋等。

2. Self-sealing bag is a kind of packaging bag that can be pressed and sealed automatically. There are usually compact bags, keel bags, zipper bags, etc.

3、自封袋又稱為密實袋、貼骨袋、密封袋、拉鏈袋，龍骨袋，以聚乙烯和高壓線型聚乙烯通過吹膜成型，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\PO\EVA，多層復合拉鏈袋等。

3. Self-sealing bags, also known as compact bags, bone-sticking bags, sealing bags, zipper bags, keel bags, are made of polyethylene and high-pressure linear polyethylene by blowing film and hot-cutting machine bags, which can be repeatedly sealed. Common materials include PE  PO  EVA, multi-layer composite zipper bag, etc.

4、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。

4. Self-sealing bags can be used for internal and external packaging of various small items (jewelry, hardware, toys). Self-sealing bags made from food-grade raw materials can store all kinds of small foods, tea, seafood, etc., moisture-proof, anti-smelling, waterproof, insect-proof, and prevent things from scattering; Self-sealing bags can also be used for packaging clothing and other daily necessities, with a wide range of uses. Anti-static self-sealing bag can be produced by adding anti-static masterbatch during film blowing production, which is generally used in the electronic industry.

5、夾鏈自封袋的生產分兩種，一種是直接吹膜成型，自封口以上一般為1，8CM，自封口附近比較厚，自封袋左右兩邊采用熱切封口方式制袋成成品；另外一種為后附夾鏈條的方法，后一種方法主要用于復合袋的生產。

5. There are two kinds of production of chain clamping self-sealing bags. One is direct film blowing molding. The height above the self-sealing is generally 1,8cm. The thickness near the self-sealing is relatively thick. The left and right sides of the self-sealing bags are made into finished products by hot-cutting sealing; The other is the method of attaching chain to the back, which is mainly used for the production of composite bags.

以上就是自封袋手動封口的小妙招了，希望能夠給您好的幫助，更多相關事項的了解就來我們網站http://www.ksdgwy.com進行咨詢吧！

These are the tips for manual sealing of self-sealing bags. I hope they can help you. For more information about relevant matters, please visit our website http://www.ksdgwy.com Consult!