Low Density Polyethylene 2420K
Low Density Polyethylene (LDPE) 2420K, also known as Lupolen 2420K, is a versatile polymer produced by LyondellBasell. This non-additivated, low-density polyethylene is known for its excellent processability and optical properties. Delivered in pellet form, LDPE 2420K is widely used in various applications due to its unique characteristics. LDPE 2420K has a melt flow rate of 4.0 g/10 min at 190°C/2.16 kg, a density of 0.924 g/cm³, and a tensile modulus of 260 MPa. Its tensile stress at yield is 11 MPa, and it exhibits impressive tensile strength in both machine direction (MD) and transverse direction (TD), with values of 22 MPa and 17 MPa, respectively. The material also boasts high tensile strain at break, with 300% in MD and 600% in TD. These properties make LDPE 2420K suitable for a range of demanding applications.
Applications of LDPE 2420K
LDPE 2420K is used in a wide range of applications due to its excellent properties. Some of the primary applications include:
- Food Packaging Film: LDPE 2420K is commonly used in the production of food packaging films due to its good optical properties and processability. The material provides a reliable barrier to moisture and contaminants, ensuring the freshness and safety of food products.
- Hygiene Film: The polymer’s high tensile strength and flexibility make it ideal for hygiene films used in products such as diapers and sanitary napkins. These films require materials that can withstand stretching and bending without tearing.
- Shrink Film: LDPE 2420K is also used in shrink films, which are employed in packaging applications to secure and protect goods during transportation. The material’s ability to shrink tightly around products ensures stability and protection.
- Surface Protection Film: The polymer’s excellent optical properties and durability make it suitable for surface protection films used in various industries. These films protect surfaces from scratches, dust, and other contaminants during manufacturing and transportation.
- Coatings and Protective Films: LDPE 2420K is used in coatings and protective films for various applications, including automotive and construction. The material’s resistance to impact and environmental factors makes it an ideal choice for protective coatings.