自封袋指的是压合就可以自动封口的包装袋，常见的有夹链自封袋，吹骨（凹凸骨）自封袋等。下面来看看济南自封袋的弹性强度以及相应分类。

Self-sealing bag refers to the packaging bag that can be automatically sealed after pressing. The common ones are chain clamping self-sealing bag, bone blowing (concave-convex bone) self-sealing bag, etc. Let's look at the elastic strength and corresponding classification of Jinan self-sealing bags.

自封袋的弹性强度

Elastic strength of self-sealing bag

自封袋聚氨酯热弹性体有较高的撕裂强度，通常可达天然橡胶10倍。但耐高温性能铰差，作环境温度高于能就有所下降。电性能方面，由于聚氨酪热弹性体具有一定的亲水特性能，吸收空气小的水分而位绝缘性下降．在高绝缘场合中使用受到限制热塑性弹性体除亡述外二烯之类。在大多数情况下，成注塑的制的原材料都用全新料。但对于一些使用要求不高的制品，人们往往来用再生原料进行注塑生产。这一方面可以降低成本；另一方面可以实现塑料材料的循环利用。

Self-sealing polyurethane thermal elastomer has high tear strength, usually up to 10 times of natural rubber. However, the high temperature resistance is poor, and the working environment temperature is higher than the energy. In terms of electrical properties, polyurethane thermoplastic elastomer has certain hydrophilicity, which absorbs small amount of water in the air and reduces its insulation. The use of thermoplastic elastomer in high insulation occasions is limited, except for isoprene. In most cases, the raw materials for injection molding are all new materials. But for some products with low use requirements, people often use recycled raw materials for injection molding. On the one hand, it can reduce costs; On the other hand, it can realize the recycling of plastic materials.

自封袋

Self-sealing bag

自封袋的相应分类

Corresponding classification of self-sealing bags

塑料自封袋又称为密实袋、骨袋、密封袋。自封袋按其材质分类，通例为PE吹塑自封袋跟复合材料贴骨自封袋。

Plastic self-sealing bags are also known as compact bags, bone bags and sealing bags. Self-sealing bags are classified according to their materials. The common example is PE blow-molded self-sealing bags and composite bone-attached self-sealing bags.

PE自封袋其材料以聚乙烯（LDPE）制成的一种密封袋，是一种绿色产品,坚韧耐用、可重复利用、可印花广告、唛头、可做冰箱保鲜袋，利用期长。主要用于产品包装,存放食品、饰品、药品、化妆品、冷冻食品、邮品等等,防潮、防水、防虫、防止货色散落，起演绎作用,给买家整齐尺度的形象，而且还可能重复利用,微微一按便会密封的严严实实的，无味，柔韧性好，封合随意，非常方便。其优点是低廉，用途广泛。

PE self-sealing bag is a kind of sealed bag made of polyethylene (LDPE). It is a green product, tough and durable, reusable, printable advertising, shipping marks, and can be used as a refrigerator fresh-keeping bag with a long service life. It is mainly used for product packaging, storing food, jewelry, medicine, cosmetics, frozen food, postal products, etc. It is moisture-proof, waterproof, insect-proof, and can prevent goods from scattering. It plays a deductive role, giving buyers a neat image, and may also be reused. It will be sealed tightly, non-toxic, tasteless, flexible, and convenient. Its advantages are low price and wide use.

复合贴骨自封袋，其也是PE自封袋产品特点嫁接到复合材料，达到方便，快捷等特点。指塑料袋、铝箔袋、尼龙袋、屏蔽袋等，在袋口放两根塑料骨条，经过机器热压而粘合牢固，可重复密封及开口，个别适用于电子元器件、IC，PCB、LED等产品包装。

The composite bone-attached self-sealing bag, which is also the characteristics of PE self-sealing bag product, is grafted to the composite material to achieve convenient, fast and other characteristics. It refers to plastic bags, aluminum foil bags, nylon bags, shielding bags, etc., where two plastic bone strips are placed at the mouth of the bag, which are firmly bonded after machine hot pressing, and can be repeatedly sealed and opened. It is applicable to the packaging of electronic components, IC, PCB, LED and other products.

以上内容便是自封袋的弹性强度以及相应分类的介绍，希望能够对大家有所帮助。如果想要了解更多关于自封袋的相关内容，欢迎来咨询我们//www.haaimobile.com！

The above content is the introduction of the elastic strength and corresponding classification of the self-sealing bag. I hope it can help you. If you want to know more about self-sealing bags, please contact us //www.haaimobile.com ！