Product Description
Polyethylene is a classic thermoplastic polymer formed by ethylene addition polymerization. With diversified grading systems, outstanding mechanical properties, environmental stability and easy processing characteristics, it integrates safety, durability and cost-effectiveness, becoming the most versatile foundational plastic material in modern industry.
Product Parameters
| English Name | Polyethylene |
| English Synonyms | pad522;pe512;pe617;pen100;pep211;pes100;pes200;petrothene |
| CAS Number | 9002-88-4 |
| Molecular Formula | (C2H4) n |
| Molecular Weight | 28.05316 |
| EINECS Number | 618-339-3 |
| Melting point | 92 °C |
| Boiling point | 48-110 °C (Press: 9 Torr) |
| Density | 0.962 g/mL at 25 °C |
| Refractive index | 1.51 |
| Flash point | 270℃ |
| Storage conditions | -20℃ |
| Form | Powder |
| Color | White |
| Specific gravity | 0.95 |
| Biological origin | rabbit |
| Water solubility | Soluble in acetone and benzene. Insoluble in water. |
| Merck value | 147,567 |
| Dielectric constant | 2.2 (Ambient) |
| Stability | Stable, but slowly decomposes under UV light or sunlight. Incompatible with halogens, strong oxidizers, benzene, petroleum ether, aromatic hydrocarbons and chlorinated hydrocarbons, and lubricating oils. |
| Surface tension | 35.7 mN/m at 20°C |
Application Scenarios
It can be processed into plastic films, pipeline materials, wire and cable casings, hollow injection-molded parts and functional fibers. PE fibers are widely used to make fishing nets and industrial ropes. UHMWPE is specially applied to manufacture wear-resistant and impact-resistant accessories for textile machinery, including gears, gaskets and rubber connectors. It is extensively deployed in packaging, agriculture, automotive manufacturing and general industrial fields.
