China PE Bag Factory - Cheap PE Bag Pricelist

Why choose us

Main Business
Our main business includes woven bags of various specifications and thicknesses, snakeskin bags, valve bags, inner membrane bags, ton bags, container bags, paper-plastic composite bags, color-printed woven bags, weeding cloths, and other plastic packaging products.

Production Equipment
The company uses professional plastic weaving production equipment, a 10-color combined gravure printing machine, a photoelectric deviation correction high-speed compound machine, a centering edge folding machine, and other equipment.

After-sales Service
We provide excellent after-sales service, addressing customer complaints and solving problems effectively.

OEM Solutions
We accept both OEM and ODM orders. Materials and styles can be customized, and we will advise on the minimum order quantity after discussion.

What Is PE Bag

Polyethylene (PE), often known as polythene, is a common plastic used to create plastic packaging. PE is used to manufacture bags with varying weight capacities. PE bags are mainly transparent or translucent plastic for packaging and shipping. They are a popular packaging material mainly due to their slim body shape, smooth texture, reflective surface, and flexibility.

Pe Flat Pocket

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Pe Self-sealing Bag

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Pe Sandwich Bag

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Pe Mail Sack

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Pe Punching Bag

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Pe Tote Bag

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Pe Zipper Bag

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Benefits of PE Bags

Enhanced Protection
Polyethylene is leakage-proof, which means it does not allow water vapor to pass through it. It can be heat-sealed, meaning the plastic can be wrapped around the product and secured with an airtight seal. Electronic companies use PE for their electronic components as it provides protection from moisture and tampering.

Highly Adaptable
Polyethylene is highly versatile and customizable. In addition to protection, it offers excellent advertising options to suit the product, making it very adaptable. It is available in different thicknesses and clarities, as well as various designer colors for a more customized option.

Extremely Lightweight
PE is lightweight and doesn’t require much storage space. As a result, it is easy to transport, thereby reducing the carbon footprint during transportation.

Economical
In addition to providing a moisture barrier, High-Density Polyethylene (HDPE), a type of PE, is a low-cost, easy-to-process, and opaque packaging material. Shampoo and oil bottles, household cleaning bottles, and flower pots are all made from HDPE, offering opaque containers for marketing appeal.

Durable
PE is durable and resistant to external influences, ensuring the content is well-preserved. HDPE, a type of PE, is puncture-resistant, tear-resistant, and has lower stretchability. Common examples of this material include grocery bags, trash bags, retail packaging bags, and packaging films.

Excellent Rigidity
Derived from polyethylene, Polyethylene Terephthalate (PET) offers greater rigidity than other forms of plastic. It maintains a firm protective structure and exhibits excellent moisture-resistant properties. Examples of PET products include PET bottles, cooking oil bottles, milk cartons, and most bottle caps.

Superior Flexibility
Low-Density Polyethylene (LDPE), another form of polyethylene, is a highly flexible material used for various products globally. The material is soft, puncture-resistant, high in clarity, heat-sealable, and thus ideal for packaging.

Easily Recyclable
Plastic bags are easily recyclable and require less energy to produce compared to other packaging materials. They also generate 80% less solid waste than paper.

Types of PE Bags

HDPE Poly Bags

High-Density Polyethylene (HDPE) is formed when minimal branching occurs during polymerization. This results in a tightly packed structure of molecules and a more dense, less flexible material. The advantages of HDPE include its high resistance to punctures and tears, making it suitable for safely and effectively packaging heavy items.

LDPE Poly Bags

Low-Density Polyethylene (LDPE) is characterized by the branching that occurs during polymerization, which creates more space in the molecular structure. This process results in a less dense material. Consequently, LDPE poly bags are much more flexible and provide better visibility of the contents.

LLDPE Poly Bags

Linear Low-Density Polyethylene (LLDPE) is similar to LDPE in that the polymerization process involves a high level of branching. However, the branches that form from the main polymer chain are short and parallel, allowing them to move in tandem without becoming tangled. The result is a poly bag type with higher tensile strength and puncture resistance than LDPE, without sacrificing flexibility.

MDPE Poly Bags

Medium-Density Polyethylene (MDPE) is created when the main strand of hydrocarbons has fewer branching strands than LDPE but more than HDPE.

Polypropylene Poly Bags

Polypropylene (PP) is a common poly bag material that belongs to its own category. Although it is also part of the polyolefins family, polypropylene is made from the polymerization of olefin propylene. It is the second most-used poly bag type after polyethylene and is growing in popularity due to its valuable applications in packaging.

Applications of PE Bags

Understanding how these bags are made not only helps us evaluate their quality and safety but also opens up opportunities to optimize and customize them for each business’s specific needs.

In the Food Industry
Packaging Fresh Food: PA/PE bags help keep food fresh longer by preventing moisture and bacterial contamination.
Preserving Frozen Food: They resist temperature changes and protect food from freezer burn.
Packing Dry Foods: Bags help preserve grains, seeds, and other dry foods from mold.

In the Pharmaceutical Industry
Medicine Preservation: PA/PE bags keep medicine unaffected by humidity or temperature, maintaining its effectiveness for a longer period.
Medical Product Packaging: Medical products such as bandages and surgical instruments are stored in these bags to ensure sterility and safety.

In the Electronics Industry
Protecting Electronic Components: PA/PE anti-static bags protect components from damage caused by static electricity.
Packaging Electronic Products: They ensure that electronic devices such as phones and tablets are safely preserved during transportation.

In the Chemical Industry
Chemical Preservation: PA/PE bags withstand strong chemicals, protecting them from leakage and environmental exposure.
Packaging Fertilizers and Agricultural Chemicals: They ensure safety for users and the surrounding environment.

In Other Industries
Garment Industry: Used to preserve and transport clothes, ensuring that products remain free from mold and wrinkles.
Auto Parts Industry: Protects auto parts from dust and damage during storage and transportation.

PE Bag Production Process

Step 1: Extrusion - Blowing

This is the most important step because it determines the thickness and thinness of the PE bag. The starting material is polyethylene resin (PE granules).
These PE pellets are fed into an extruder, where they are melted under controlled conditions until they become molten and flexible (about 380°F). They are then extruded through a tube format. While still at a high temperature, one outlet of the tube is fixed, and air is blown in to form bubbles, cooling the film and extending it to the desired size and thickness.
As the film rises to about 20 - 35 feet, it cools and is formed into a flat, two-layer sheet as it passes through a slot between two rollers. Finally, it is rolled up into film rolls.

Step 2: Printing

The rolls of film completed in Step 1 are transferred to the printing section. Depending on the design, the number of colors, and the number of bags, the printing process will use nylon screen printing, gravure printing, or flexo printing. Gravure printing is typically used for large bag rolls.
In this step, the shapes and text required for the design are created. This step is crucial as it determines the appearance of the designs on the bags. It is also the step that customers are most interested in, as it affects the visibility and attractiveness of logos and text for businesses, organizations, and individuals. Modern printing technology offers many special advantages for this purpose.

Step 3: Finishing

This is the final step in the production process of PE bags. It includes cutting, marking, folding, stamping, attaching handles, and other finishing processes, depending on the design of the PE bag

Are PE Bags Food Safe

Polyethylene (PE) plastic is flexible, durable, and tear-resistant—features that are essential for packaging bulky items. This makes polyethylene storage bags ideal for large, heavy items, such as industrial machined parts.

The most common plastics used for packaging are polyethylene (PE) and polypropylene (PP). These plastics are non-greasy, odorless, and chemically stable.

Yes, PE bags are safe and suitable for packing food. High-Density Polyethylene (HDPE) is often used for food packaging.

HDPE is the most widely used polyethylene film for food packaging. It is semi-translucent and highly resistant to solvents. HDPE is the least flexible and strongest of the polyethylene films, making it ideal for applications where retaining shape is important. It ensures food safety and cleanliness.

However, plastic bags are not used everywhere. Alternatives like paper or cloth bags are increasingly preferred because they are safer for both humans and animals. Polyethylene can be ingested by animals like cows, leading to harmful effects. Plastic waste can also persist in the environment for many years without breaking down, which is why many places are opting for paper, foil, and cloth for food packaging.

How to recycle PE bags

As a result, proper plastic disposal is critical. However, the standards for proper plastic disposal can appear confusing, especially when recycling regulations vary by country and even city. However, because sustainability has become a hot topic, there is pressure to conquer the recycling challenge.

PE bags and various plastic wraps are recyclable but not in the curbside bin. Most of these products must be recycled through a store drop-off, while some areas allow curbside recycling.

Most communities cannot recycle plastics and dispose of them in landfills. As a result, store drop-offs contribute significantly by collecting and recycling unwanted plastics. Most large grocery stores and businesses feature a bin for used plastic bags. However, ensure they are dry, clean, and empty before dropping them off.

Practical application of transparent PE bags

Transparent PE plastic bags now appear in many different fields and industries. You can see them used for basic purposes such as: Fixing, protecting goods and products from environmental impacts during transportation, storage and export. With its supple and soft properties, it will not be affected by the angle of the goods. From there, they will become an extremely good product and goods packaging. Used to pack goods and products that need to be stored in special temperatures such as hot, frozen. Used to store goods and products. Used to cover and wrap cartons, pallets to keep the quality of goods. The great advantages of transparent PE bags In many fields and industries, transparent color PE bags have become an indispensable important detail.

Our Factory

Shandong Yujin Packaging Co., Ltd. has many years of production experience in the woven bag industry. There are multiple woven bag production lines and supporting products, a production technical team and a sales service team, and one-stop service for design and plate making. Main business: woven bags of various specifications and thicknesses, snakeskin bags, valve bags, inner membrane bags, ton bags, container bags, paper-plastic composite bags, color-printed woven bags, weeding cloths and other plastic packaging products.

FAQ

Q: What are PE bags made of?

A: Polyethylene (PE), often known as polythene, is a common plastic used to create plastic packaging. PE is used to manufacture bags with varying weight capacities. PE bags are mainly transparent or translucent plastic for packaging and shipping.

Q: What does PE stand for in bags?

A: If you're in the market for plastic bags, polyethylene (PE) and polypropylene (PP) are the two most common materials you'll encounter. While some people assume these two types of plastic are interchangeable, they're actually two distinct materials.

Q: What is the difference between PP and PE bags?

A: The main differences with polyethylene are that polypropylene is lighter and more resistant to high temperatures, abrasive agents and chemical solvents. It is also more resistant to breakage, however, it is less flexible than polyethylene. Another major advantage is that it is easy to colour and mould.

Q: What does PE mean on a plastic bag?

A: Polyethylene (PE) plastic is flexible, durable, and tear-resistant. These three characteristics are each a necessity when you need to packaging heavy-duty items within your poly bags. That means that industrial companies often utilize polyethylene storage bags for large, heavy items, such as industrial machining parts.

Q: What is the material used in PE?

A: It is made from the polymerization of ethylene monomer units. Ethylene is a hydrocarbon gas derived from petroleum or natural gas. Through a chemical process called polymerization, the ethylene molecules are bonded together to form long chains, resulting in the creation of polyethylene.

Q: Is PE bag eco friendly?

A: The study shows that, when all environmental factors are considered, the least environmentally damaging option for plastics waste bags is to use recycled PE, followed by virgin PE. The current biodegradable options, including both petrochemical and renewably-sourced plastics, performed the worst in this analysis.

Q: Are PE bags food safe?

A: Basically, most PE bags are safe for food, vegetables, and cereals, whether they are PE, HDPE or LDPE. However, it should be noted, LDPE bags will release chemicals in hot and high-temperature environments. Therefore, although it is possible to store food, it is best not to use plastic bags for hot food.

Q: Is PE plastic good?

A: One of the most attractive properties of polyethylene is its durability. It is resistant to fading and chipping, while also being impervious to many chemical substances, such as acids and caustic solutions. Polyethylene is an excellent electrical insulator.

Q: Which is cheaper PP or PE?

A: Cost: PE is generally less expensive than PP, explained by the simple production of PE. Recyclability: PP and PE are both recyclable. However, PP is more difficult to recycle than PE because of its higher melting point. Appearance: PP is translucent, while PE can be translucent or opaque.

Q: What are the PE bags called?

A: Polyethylene or polythene (abbreviated PE) is the most common plastic in use today. It is a polymer, primarily used for packaging (plastic bags, plastic films, geomembranes, containers including bottles, etc.).

Q: Is PE bag biodegradable?

A: The plastic bags we have been using before are PE plastic bags. This plastic bag is tough and waterproof and has a good load-carrying capacity. Therefore, it has been welcomed by major supermarkets for a long time. But the chemical composition of this plastic bag cannot break down naturally.

Q: What is a PE bag?

A: Polyethylene bags: Polyethylene bags are translucent or opaque with a slight haze to them that allows you to see the items inside, although the details of the contents won't be clear. Polyethylene bags are ideal for packaging goods or items that require a high level of protection.

Q: Are PP bags better than PE bags?

A: Polypropylene bags have higher chemical resistance and higher melting point at room temperature than polyethylene bags– making them ideal for carrying hot contents. The higher resistance also makes PP bags suitable for food packaging applications.

Q: How are PE bags made?

A: It involves superheating and pressurizing raw LDPE, HDPE, or LLDPE plastic pellets to create a consistent molten liquid. Once the liquid is created, the resin is forced into a circular die. Then the hot resin is blown outward or upward to create a thin, long balloon of very pliable plastic film

Q: What is high quality PE material?

A: Representing the largest portion of the polyethylene applications, HDPE offers excellent impact resistance, light weight, low moisture absorption, and high tensile strength. HDPE is also non-toxic and non-staining and meets FDA and USDA certification for food processing.

Q: Is a PE bag recyclable?

A: PE bags and various plastic wraps are recyclable but not in the curbside bin. Most of these products must be recycled through a store drop-off, while some areas allow curbside recycling. Most communities cannot recycle plastics and dispose of them in landfills.

Q: What are PE plastic bags used for?

A: PE bags are used a lot in the transportation and preservation of food or in the industry – agriculture, electronics because of its flexibility, durability, tear resistance, and toughness.

Q: How long does PE plastic last?

A: Traditional plastic bottles are made out of polyethylene terephthalate (PET). It's a lightweight and flexible material that doesn't decompose easily, mainly because bacteria cannot consume and break down the chemicals used in PET. A plastic bottle made from PET takes around 450 years to decompose.

Q: Is PE plastic waterproof?

A: Polythene is almost completely waterproof, though it will allow oxygen, carbon dioxide and flavourings to pass through it. It can be clear (transparent), translucent or opaque which makes it useful for a variety of functions.

Q: What category of plastic is PE?

A: Polyethylene or polythene is a type of polyolefin. It is often abbreviated as PE. The chemical formula of PE is (C2H4)n. It is lightweight, durable, and one of the most commonly produced plastic.

We're known as one of the most professional pe bag enterprises in China. If you're going to buy high quality pe bag at competitive price, welcome to get pricelist and quotation from our factory. For more cheap products, contact us now.

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