In the packaging industry, plastics have become a widely used material due to their diverse characteristics. And some of these plastic materials in strength, stability, functionality and other aspects of excellence, can be called the production of high-quality packaging bags leader.

1. Polyethylene terephthalate (PET)

Mechanical properties: PET has high tensile strength and rigidity, and is not easy to deform. After the packaging bag is made, it can withstand a certain weight of items, maintain a stable shape during transportation and storage, and effectively protect the products in the package, such as for packaging bottled drinks, condiments, etc.

Transparency and gloss: The transparency of PET material is very high, almost close to glass, which can clearly display the items in the package and enhance the visual appeal of the product. At the same time, it also has a good gloss, making the product more eye-catching on the shelf, helping to promote sales.

Chemical stability: PET has a good tolerance to most chemical substances, is not easy to react with acids, alkalis, etc., to ensure the purity and quality of the products in the package, suitable for packaging chemicals, food additives, etc.

2.Nylon (PA)

Super toughness and puncture resistance: nylon has excellent toughness, strong puncture resistance, and can effectively resist the puncture of sharp objects to prevent the damage of the packaging bag. In the packaging of sharp hardware parts, with meat and other products, nylon packaging bags can play its unique advantages to ensure product safety.

Good barrier performance: nylon has a certain barrier ability to gas and moisture, which can delay the oxidation and moisture of the items in the package, and extend the shelf life of the product. It is often used to package products that are sensitive to humidity and oxygen, such as electronic products and high-end snacks.

Wear resistance: Nylon material has excellent wear resistance, in the frequent handling and friction process, the packaging bag is not easy to damage, can be reused many times, reducing the cost of use.

3. Polycarbonate (PC)

High strength and impact resistance: The strength and impact resistance of PC material are very outstanding, even if it is affected by a large external force, it is not easy to break. This makes it an excellent choice for packaging fragile items such as glass products, precision instruments, etc., to provide reliable protection for products.

High temperature and cold resistance: PC can maintain stable performance over a wide temperature range, both high temperature and cold resistance. Whether it is transportation in a high temperature environment or cold storage, the PC material packaging bag can adapt to ensure that the product is not affected by temperature changes.

Dimensional stability: The dimensional stability of PC is good, under different environmental conditions, the size of the packaging bag changes very little, to ensure the tightness and reliability of the packaging.

These high-quality plastic materials, with their unique performance advantages, play a key role in the production of high-quality packaging bags in different fields. In the selection of plastic packaging bag material, it is necessary to consider various factors such as the characteristics of the product, the use of the environment and packaging requirements in order to achieve the best packaging effect and economic benefits.