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PP Composite paper bag

PP Composite paper bag

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Product Information Description:

Product Parameter: 50*90 
Product Introduction: It is made of polypropylene (PP) plastic laminated with paper. It is characterized by high strength, durability and environmental friendliness and is widely used for packaging of various products.

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  • Tel : +86-0515-88271166
  • Email : [email protected]
  • Address : No.73, Wengang South Road, Tinghu District, Yancheng City, Jiangsu Province, China
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Yancheng Yide Plastic Packaging Co., Ltd.

Yancheng Yidde Plastic Packaging Co., Ltd. is the vice president of the China Plastics Association, the governing unit of the All-China Environmental Protection Federation, the deputy director of the green supply chain unit, was established in January 2003, is a national high-tech enterprise, provincial high performance polypropylene packaging materials engineering research and development center to undertake the construction of enterprises, the State Post Administration post bag production supervision enterprises, National postal, express, e-commerce, logistics industry green packaging materials production enterprises; Jiangsu Province "specialized special new" small giant enterprise, gazelle warehousing enterprise, Jiangsu private science and technology enterprise; "Container bags" group standard-setting deputy head unit, "logistics packaging recycling management requirements" group standard unit. The company is PP Composite paper bag Suppliers and Custom PP Composite paper bag Factory, which has been awarded the title of "Green packaging Recommended Enterprise", "E-commerce and logistics packaging technology innovation Enterprise", "Modern logistics green packaging demonstration unit" and "Annual Chinese brand Service Provider" by National Post Group Corporation and China E-commerce Alliance for many years. The company has passed the State Administration for Market Regulation express packaging green product certification, 9001 quality management system, 45001 occupational health and safety management system, 24001 environmental management system and other certifications.

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PP composite paper bag is a packaging material with a wide range of uses. The PP in its name stands for polypropylene, which is a thermoplastic polymer with excellent physical and chemical properties. This composite paper bag combines the properties of paper and polypropylene to create a durable, moisture- and water-resistant packaging solution.

PP Composite paper bag manufacturing process

The manufacturing process of PP composite paper bags has gone through multiple precise process steps to ensure that the final product has excellent properties such as strong, durable, moisture-proof and waterproof.
Raw material preparation:
The first step in manufacturing PP composite paper bags is to prepare raw materials. The main raw materials include polypropylene pellets and paper. High-quality polypropylene particles are the basis for preparing polypropylene films, while high-quality paper is used to enhance the bag's structure.
Extrusion molding:
The polypropylene pellets are heated to a molten state through the extruder and then extruded through the extrusion head to form a continuous polypropylene film. This film will become the outer layer of the PP composite paper bag, giving the bag waterproof and moisture-proof properties.
Stretching and Orientation:
Polypropylene film undergoes a process of stretching and orientation to make it more uniform and stronger. This step helps increase the strength and durability of the polypropylene membrane.
Bonding:
The prepared polypropylene film and the selected high-quality paper are bonded together through a bonding process. This step creates a multi-layer structure that takes full advantage of the advantages of polypropylene and paper, making the paper bag both strong and stable.
Print:
The outer surface of PP composite paper bags is usually printed to meet customers' personalized needs. This process allows various patterns, text and logos to be printed on the surface of the bag to enhance the appearance and promotional effect of the product.
Cutting and shaping:
The prepared PP composite paper material is cut by an automatic cutting machine and formed into the predetermined size and shape. This step ensures that the produced paper bags have uniform dimensions and appearance.
Package:
Finally, the finished PP composite paper bag is sent to the packaging link, usually in the form of rolls or sheets. This helps facilitate storage, transportation and eventual sale.

Performance characteristics of PP Composite paper bag

As a packaging material, PP composite paper bags have various performance characteristics, which make them widely used in different fields.
Strong toughness and tear resistance:
Due to the composite structure of polypropylene and paper, PP composite paper bags have excellent strength and tear resistance. This makes the bag less susceptible to damage during storage and transportation, protecting the product inside the package from the external environment.
Waterproof and moisture-proof performance:
The waterproof performance of polypropylene film allows PP composite paper bags to effectively resist moisture penetration, thereby protecting the products in the package from the effects of humid environments. This is critical for packaging moisture-sensitive products such as food and cosmetics.
Good printing performance:
The surface of PP composite paper bags can usually be printed with high quality, which helps to improve the appearance, texture and promotional effect of the product. Customers can print various patterns, text or trademarks as needed to make the products more eye-catching in the market.
Highly customizable:
When manufacturing PP composite paper bags, different sizes, shapes and printing designs can be customized according to customer needs. This highly customizable feature makes PP composite paper bags suitable for a variety of industries and product types.
Wear resistance:
Due to the wear resistance of polypropylene, PP composite paper bags are not susceptible to wear and tear during transportation. This ensures that the bags maintain good appearance and performance for a longer period of time throughout the supply chain.
Environmentally friendly and recyclable:
The materials used in PP composite paper bags are environmentally friendly and can be recycled. Compared with traditional plastic bags, PP composite paper bags are more in line with the concept of sustainable development and reduce the negative impact on the environment.
Breathability:
As a part of the composite material, paper gives the PP composite paper bag moderate air permeability. For certain products, such as food, this helps maintain their freshness and quality.
Lightweight design:
PP composite paper bags are lighter than traditional packaging materials, helping to reduce the weight of the overall packaging, reduce transportation costs, and also produce a smaller carbon footprint on the environment.