LLDPE LL22403 is a versatile linear low-density polyethylene grade enhanced with UV stabilizers, making it suitable for applications requiring high stiffness and durability under exposure to sunlight. Produced by Bakhtar Petrochemical Company, this resin is designed for both high stiffness blown films and general-purpose applications, including lamination films and cast stretch films.
 
Product Description
Type: Linear Low-Density Polyethylene (LLDPE)
Features: This grade is notable for its high stiffness and excellent resistance to UV degradation, combined with strong mechanical properties. It is also well-suited for blending with other polyethylene grades to achieve desired film properties.
 
Main Applications
High Stiffness Blown Films: Ideal for applications requiring films with high stiffness and durability.
Lamination Films: Used in lamination processes that require robust and durable films.
General Purpose Cast Stretch Films: Suitable for stretch film applications where high performance and stretchability are necessary.
Diaper Backing Films: Provides the necessary strength and flexibility for use in hygienic product applications.
 
Features & Benefits
UV Stabilization: Enhances the material's resistance to sunlight, preventing degradation and prolonging the life of products used outdoors.
High Tensile Strength: Offers excellent strength at both yield and break, ensuring durability and resistance to tearing.
Exceptional Elongation at Break: Allows significant stretchability, making it ideal for applications requiring flexibility and high elongation.
Good Tear Resistance: Provides resistance to tear propagation, which is crucial for films subject to mechanical stress.
 
Physical & Mechanical Properties
Melt Flow Index (MFI): 2.8 – 3.1 g/10 min at 190°C/2.16 kg (ISO 1133), indicating good processability.
Density: 0.920 – 0.923 g/ml (ISO 1183), providing the films with optimal stiffness and strength.
Tensile Strength at Yield: 18 - 21 MPa (ASTM D882-10).
Tensile Strength at Break: 54 - 36 MPa (ASTM D882-10).
Elongation at Break: 780 - 990% (ASTM D882-10), showcasing outstanding flexibility.
Elmendorf Tear Strength: 35 - 325 g/25 µm (ASTM D1922-09), highlighting its robust tear properties.
 
Processing and Safety
Optimal Processing Temperatures: Typically processed at temperatures ranging from 160°C to 220°C, depending on specific application requirements.
Safety Measures: Standard precautions should be observed to avoid contact with molten polymer and ensure adequate ventilation to manage fumes during processing.
 
Environmental Considerations
Recycling: Supports sustainability initiatives through recyclability, aligning with modern environmental standards.
 
Summary
LLDPE LL22403 from Bakhtar Petrochemical Company is designed for manufacturers seeking a high-performance polymer for films requiring durability, high stiffness, and resistance to environmental factors, particularly UV light. Its combination of UV stabilization and mechanical properties makes it an excellent choice for a wide range of industrial and consumer packaging applications.