LDPE film is a type of plastic film made from low-density polyethylene, which is a thermoplastic created from the polymerization of ethylene.
This product has many superior properties such as flexibility, durability, water resistance, gas resistance, and UV resistance... Thanks to these properties, this plastic film is widely used in daily life. From food packaging, and industrial packaging to household products.
Structure and characteristics of LDPE Film
* Structure
This product is made from low-density polyethylene, which is a thermoplastic created from the polymerization of ethylene. Ethylene is a simple hydrocarbon, with the chemical formula C2H4.
The polymerization of ethylene takes place at high temperatures and pressure. Use a catalyst to create high molecular weight polyethylene molecules. LDPE membrane has a branched structure, with alternating short and long branches. This branched structure makes this film highly flexible and durable.
Structure and characteristics of LDPE Film
* Characteristics
This product has many superior properties, specifically as follows:
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Flexibility: This film has high flexibility, easy to bend and shape.
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Durability: It has high durability and can withstand impact and impact.
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Waterproof ability: It has good water and gas resistance.
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UV resistance: This film is resistant to UV rays, helping to protect products from the harmful effects of sunlight.
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Heat sealing ability: It has good heat sealing ability, helping to create products with high air tightness.
The advantages of LDPE Film
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High flexibility: The film has high flexibility, easy to bend and shape. This makes this product easy to use and apply in many different fields.
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High durability: It has high durability and can withstand impact and impact. This helps protect the packaged product from damage.
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Good water resistance and air permeability: This plastic film has good water resistance and air permeability. This helps protect the product from moisture and contamination.
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Anti-UV ability: It is resistant to UV rays, helping to protect products from the harmful effects of sunlight.
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Good heat sealing ability: This product has good heat sealing ability, helping to create products with high air tightness.
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Low price: low price, helps to save costs for users.
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The advantages of LDPE Film
The disadvantages of LDPE Film
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Poor gas permeability to gases such as CO2: This plastic film has good gas permeability, but poor gas permeability to gases such as CO2. This may affect the quality of the packaged product.
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Poor UV protection: It is resistant to UV rays, but has poor UV protection against short-wavelength UV rays. This may reduce the durability of this film.
Classification of this plastic film
This plastic film is classified based on the following criteria:
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According to thickness: The LDPE is classified into thin type(<0.05mm), medium type (0.05-0.1mm), and thick type (>0.1mm).
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According to width: It is classified into wide type (>1m), medium type (0.5-1m), and narrow type (<0.5m).
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By color: This plastic film is classified into transparent film, colored film, and printed film.
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According to properties: This film is classified into regular film, heat-resistant film, and anti-static film.
Depending on usage needs, people can choose the appropriate type.
Application of LDPE Film in life
The LDPE is a plastic material widely used in life, from food packaging, and industrial packaging to household products. As follows:
Application of LDPE Film in life
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Food packaging: This film is the most commonly used type of packaging in the food industry. It has the ability to preserve fresh food, avoiding infection and external factors. It is used to produce packaging such as food bags, food wraps, food containers...
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Industrial packaging: This plastic film is used in industrial packaging to protect products from impacts, scratches, and environmental factors. It is used to produce packaging such as cargo bags, pallet packaging, laminated film packaging...
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Household products: It is used to produce household products such as garbage bags, food bags, food wrap... And also used to make some household products
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Other applications: In addition, LDPE membrane is also used in other fields such as agriculture, construction, healthcare...
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In agriculture: The film is used to make agricultural mulch films, helping to protect plants from environmental factors such as wind, storms, rain, sun...
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In construction: LDPE membrane is used to make waterproof membranes, helping to waterproof construction projects.
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In healthcare: It is used to produce medical instruments such as catheters, wires...
In summary, LDPE film is an important plastic material, widely used in many fields. This film has many advantages such as toughness, high durability, good heat resistance, waterproofness, and anti-oxidation. Thanks to these advantages, LDPE membrane has contributed to improving product quality and protecting the environment and human health.
Read more: Learn about PE Film and their applications in life
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