Lupolen 2420K is a high-performance LDPE offered in pellet form, specifically designed for the production of flexible packaging. This polymer is free from additives, enhancing its processability and optical properties, making it ideal for a variety of protective and packaging films.
 
Product Description
Type: Low-Density Polyethylene (LDPE)
Features: Lupolen 2420K excels in processability and optical clarity, facilitating its use in critical applications where visual appeal and performance are paramount.
 
Main Applications
Coatings, Protective: Ideal for creating durable, wear-resistant coatings.
Food Packaging Film: Safe for direct food contact, providing clarity and protection without compromising safety.
Hygiene Film: Used in the production of sanitary products where durability under hygienic conditions is essential.
Shrink Film: Perfect for shrinkable packaging that conforms tightly to secure items.
Surface Protection Film: Offers temporary protection from scratches or damage during transport or the manufacturing process.
 
Features & Benefits
Good Heat Seal: Ensures integrity and safety of packaging by providing a strong, reliable seal.
Good Optical Properties: Allows for high clarity and transparency, making packaged goods more visually appealing.
Good Processability: Adaptable to a wide range of film production techniques, enhancing manufacturing efficiency.
 
Physical & Mechanical Properties
Melt Flow Rate (MFR): 4.0 g/10 min at 190°C/2.16 kg, suitable for extrusion processes.
Density: 0.924 g/cm³, offering an optimal balance of strength and flexibility.
Tensile Modulus: 260 MPa, indicating considerable stiffness.
Tensile Stress at Yield: 11 MPa, demonstrating the force required to deform the material.
Dart Drop Impact Strength: 100 g, showcasing high resistance to impacts.
 
Film Performance
Tensile Strength: MD - 22 MPa, TD - 17 MPa; highlights strength under tension.
Tensile Strain at Break: MD - 300%, TD - 600%; reflects exceptional flexibility and ductility.
Coefficient of Friction (COF): Above 0.7, ensuring good handling during secondary processing.
 
Optical & Thermal Properties
Haze: Below 8% at 50 µm, ensuring clarity in the packaging.
Gloss: Over 60 units at 20° and greater than 105 at 60°, enhancing the aesthetic quality.
Vicat Softening Temperature: 92°C, indicates the temperature at which the material begins to soften.
 
Environmental Considerations
Recyclability: Supports environmental sustainability initiatives by being fully recyclable, reducing the ecological footprint of its usage.
 
Summary
Lupolen 2420K LDPE is distinguished by its superior flexibility, excellent optical properties, and robust physical characteristics, making it an ideal choice for manufacturers seeking reliable and high-performance materials for a broad range of packaging applications. Whether for food safety or industrial durability, Lupolen 2420K provides a versatile solution tailored to meet the demands of modern packaging technologies.