Low-Density Polyethylene (LDPE) is a versatile and flexible thermoplastic polymer known for its high clarity, ease of processing, and excellent impact resistance. LDPE is widely used in various industries for packaging films, containers, and other applications where flexibility and toughness are essential.
Specifications:
| Property | Details |
|---|---|
| Chemical Formula | (C₂H₄)ₙ |
| Appearance | Transparent to translucent, flexible, and available in various colors. |
| Molecular Weight | Varies based on the polymerization process, typically within the range of 30,000 to 300,000 g/mol. |
| Density | 0.91 – 0.93 g/cm³ (depending on the grade and processing conditions). |
| Melting Point | 105 – 115°C (221 – 239°F). |
| Tensile Strength | 8 – 17 MPa (mega pascals). |
| Flexural Strength | 10 – 30 MPa. |
| Hardness | 40 – 58 Shore D. |
| Chemical Resistance | Resistant to acids, bases, and various solvents, but not as chemically resistant as HDPE. |
| Transparency | High optical clarity, making it suitable for packaging applications. |
| Flexibility | Excellent flexibility and toughness, making it ideal for applications requiring bendability. |
| Recyclability | Fully recyclable and commonly used in the production of plastic bags and films. |
LDPE’s unique combination of flexibility, transparency, and ease of processing makes it a popular choice for a wide range of applications.
