Low density polyethylene(LDPE)

Low density polyethylene LDPE for film

Low density polyethylene LDPE for film
Low density polyethylene LDPE for film
Low-density polyethylene (LDPE) film is a versatile plastic material widely used in packaging and other fields. LDPE film has become the material of choice in the packaging industry for its excellent softness, transparency and durability. This article will discuss the characteristics, applications and advantages of LDPE films in packaging and other fields.

Low-density polyethylene is used routinely in the manufacture of films. If it is not a professional, it is difficult for someone to know the advantages and characteristics of low-density polyethylene. We are a professional low-density polyethylene supplier, let me introduce it from a professional point of view.


LDPE film, that is, low-density polyethylene film, exhibits many advantages and characteristics due to its unique properties and multi-functional applications.

  • LDPE film has excellent softness and silky touch, which can lightly wrap objects of various shapes and provide them with warm protection. At the same time, its delicate texture also adds a touch of elegant color to the presentation of the product.

  • LDPE film exhibits excellent transparency, like a crystal clear crystal, making the packaged product clearly visible, showing a pure and attractive appearance. The advantage of transparency also makes LDPE film an ideal choice for displaying exquisite merchandise.

  • LDPE film is famous for its lightness and flexibility. It can wrap items like a soft wind, which not only provides excellent packaging effect, but also makes the product more convenient and flexible during carrying and transportation.

  • LDPE film is excellent in water and moisture resistance. Its unique structure and sealing properties make moisture impermeable, effectively protecting the package from moisture and humid environments. LDPE films reliably protect items whether in wet seasons or in situations where long-term storage is required.

  • LDPE film has excellent plasticity and can be easily shaped into various shapes and sizes to meet the packaging needs of various products. This strong plasticity not only increases the freedom of design, but also provides better packaging adaptability.

  • LDPE film is a recyclable plastic material, which can reduce the impact on the environment through recycling and reuse, and contribute to sustainable development. Its recyclability makes LDPE film the first choice for environmentally friendly packaging materials.


LDPE film parameter

Performance parameters

Numeric value/unit

Test conditions/standards

Crystallization peak temperature


DIN 53765DSC

Melting temperature


DIN 53765DSC

Vicat softening temperature


ISO 306/A

Flexural modulus

240 MPa

Internal Method

Melting rate

5 g/10 min

ISO 1133190°C/2.16 kg


0.919 g/cm3

ISO 1183

Blend heat

100 J/g

DIN 53765

Support hardness

44 %

ISO 868 Shore D

LDPE is used in the film industry because of its outstanding advantages and characteristics. LDPE film has a profound market performance in various industries. Let's take a look at the specific application of LDPE film.

First of all, LDPE film plays an important role in the packaging industry. One of its main characteristics is its excellent plasticity and extensibility, which allows it to easily wrap items of various shapes and sizes. This softness not only makes the packaging process easier, but also provides good impact resistance and cushioning properties, protecting the product from damage during transportation and storage. In addition, LDPE film also has excellent transparency, so that consumers can clearly see the appearance and quality of the product.

Second, LDPE films play a key role in food packaging. It meets the relevant safety standards for food contact materials, can effectively prevent food from contacting the external environment, prolong the shelf life of food, and provide certain freshness preservation performance. In addition, LDPE film also has good moisture resistance and waterproof performance, which can effectively prevent water evaporation and penetration, and maintain the freshness and taste of food.

In addition to the packaging field, LDPE films also play an important role in other applications. In the field of agriculture, LDPE films are widely used in agricultural films, covering films and greenhouse covering materials. It has good light transmission and moisture resistance, can provide suitable environmental conditions, promote the growth of plants and protect crops from bad weather. In addition, LDPE film can also be used in water pipes in agricultural irrigation systems, featuring corrosion resistance and reliability.

In addition, LDPE films are also widely used in construction, medical treatment and daily life. In the field of construction, LDPE film can be used as a waterproof material for the waterproof layer of roofs, basements and walls. Its excellent waterproof performance and durability can effectively prevent moisture penetration and protect building structures from moisture and corrosion.

In the medical field, LDPE film is widely used to make medical equipment and pharmaceutical packaging. It has good biocompatibility and processability, and can be made into bags, sleeves and films of various shapes and specifications. LDPE film plays the role of dustproof, anti-pollution and protection in the packaging of medical devices, while providing a clearly visible product display window. In terms of pharmaceutical packaging, LDPE film can provide effective sealing performance and moisture-proof performance, and maintain the stability and effectiveness of pharmaceuticals.

In addition, LDPE films are also used in various applications in daily life. For example, it can make plastic bags, garbage bags, shopping bags, plastic wrap film and plastic wrap, etc. In these applications, the softness, moldability and durability of LDPE film make it a convenient and practical choice to meet people's needs for packaging, storage and freshness.

In general, low-density polyethylene (LDPE) films have a wide range of applications in packaging and other fields. Its excellent softness, transparency, durability and water resistance make it ideal for packaging materials, waterproof materials and protective materials. With the continuous development of technology, the application field of LDPE film will continue to expand to meet people's needs for safety, environmental protection and high-efficiency performance.


1. What is Low-Density Polyethylene (LDPE)?

LDPE is a type of thermoplastic polymer made from ethylene monomers. It is characterized by its low density, flexibility, and excellent transparency, making it ideal for various film and packaging applications.

2. What are the primary uses of LDPE in film applications?

LDPE is commonly used to manufacture various types of plastic films, including packaging films, agricultural films (such as greenhouse covers), industrial liners, and medical films.

3. What are the key advantages of LDPE film?

LDPE films offer excellent flexibility, transparency, and moisture resistance. They are also known for their low cost, ease of processing, and suitability for heat sealing.

4. Is LDPE film recyclable?

Yes, LDPE film is recyclable. Many recycling programs accept LDPE film, but it's crucial to follow local recycling guidelines and ensure that the film is clean and free from contaminants.

5. What are some common applications for LDPE packaging films?

LDPE packaging films are used for a wide range of products, including food packaging (such as plastic bags and wraps), retail bags, garment bags, and various industrial packaging applications.

6. How is LDPE film manufactured?

LDPE film is typically produced through the process of extrusion, where LDPE resin pellets are melted and formed into a thin, continuous sheet. The film can then be customized to meet specific requirements, such as thickness and width.

7. What are the typical thicknesses of LDPE film?

LDPE film is available in a range of thicknesses, from very thin films (measured in micrometers or mils) to thicker films (measured in millimeters). The choice of thickness depends on the intended application.

8. Can LDPE films be printed or customized with graphics?

Yes, LDPE films can be easily printed using various printing techniques, including flexographic and gravure printing. This allows for custom branding and labeling on packaging films.

9. Are LDPE films suitable for food contact applications?

LDPE films can be used for food contact applications, but it's essential to ensure that the film complies with food safety regulations and standards. Many LDPE films are approved for direct food contact.

10. What is the environmental impact of LDPE film use?

- LDPE is generally considered a low-impact plastic in terms of greenhouse gas emissions and energy consumption during production. However, proper disposal and recycling of LDPE films are essential to minimize environmental impact.

11. Can LDPE films be used in high-temperature applications?

- LDPE has a lower melting point compared to some other plastics, so it may not be suitable for high-temperature applications. However, it performs well in low-temperature and room temperature environments.

Please note that LDPE film properties and applications can vary based on the specific grade and formulation, so it's essential to select the appropriate LDPE film type for your intended use.

Send a Message

If you want to ask anything just fill in the form below and send us.

Name: Robert JOB        time:2023-06-05 14:10:42
We are from Indonesia, we purchased 8 tons of LDPE film, the quality is very good.

Write a review

Latest Products