High-Density Polyethylene (HDPE) is a versatile thermoplastic polymer known for its high strength-to-density ratio and excellent chemical resistance. HDPE is widely used in the manufacturing of bottles, containers, pipes, and various other products due to its durability and recyclability.
Specifications:
| Property | Details |
|---|---|
| Chemical Formula | (C₂H₄)ₙ |
| Appearance | Translucent to opaque, smooth surface, available in various colors. |
| Molecular Weight | Varies based on the polymerization process, typically within the range of 50,000 to 700,000 g/mol. |
| Density | 0.93 – 0.97 g/cm³ (depending on the grade and processing conditions). |
| Melting Point | 130 – 136°C (266 – 277°F). |
| Tensile Strength | 20 – 37 MPa (mega pascals). |
| Flexural Strength | 21 – 47 MPa. |
| Hardness | 55 – 70 Shore D. |
| Chemical Resistance | Resistant to a wide range of chemicals, acids, and bases. |
| UV Resistance | Excellent resistance to UV radiation, suitable for outdoor applications. |
| Impact Resistance | High impact strength, making it suitable for tough applications. |
| Recyclability | Fully recyclable and widely used in the production of recycled plastic products. |
HDPE’s exceptional properties make it a preferred material for a variety of applications where strength, chemical resistance, and recyclability are essential.