Product Description
As the world’s highest-yield premium polymer, polyethylene (PE) accounts for the largest share of global plastic production. LDPE is mainly processed into flexible materials like films and coatings, whereas HDPE serves rigid articles such as bottles and containers. HDPE can also be drawn into ethylene fibers (per Chemicalbook terminology) for fishing nets, ropes and related goods. UHMWPE boasts comprehensive outstanding traits: great resistance to environmental stress cracking, low water uptake, outstanding fatigue performance and superior impact resistance. It is frequently applied to wear-resistant and anti-impact textile machinery components, including rubber joints, gears and washers.
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Polyethylene Chemical Properties
| 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 |
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Product Application of Polyethylene CAS# 9002-88-4
Polyethylene is a thermoplastic resin synthesized via the addition polymerization of ethylene, with its molecular framework consisting solely of carbon and hydrogen atoms. The material is non-toxic, features outstanding low-temperature tolerance with a service temperature as low as -100 °C, and exhibits favorable chemical inertness. Processable into thin films, wire and cable jackets, piping, diverse hollow articles, injection-molded components and fibers, polyethylene finds extensive application across agriculture, packaging, automotive manufacturing and numerous other industries.
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