Highly cross-linked polyethylene (XLPE) is a thermosetting polymer created by chemically linking polyethylene chains to form a three-dimensional network structure, dramatically improving its thermal stability, chemical resistance, and mechanical performance compared to conventional linear polyethylene. The material is widely used in cable insulation for high-voltage power transmission, medical tubing and device components, and industrial piping systems where superior heat resistance and creep resistance are essential. Engineers select XLPE over standard polyethylene when applications demand sustained performance at elevated temperatures, resistance to permeation, or long-term durability in demanding chemical or thermal environments without sacrificing impact tolerance.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Elongation at Break(εf) | 280 | - | — | ||
Fracture Toughness(KIC) | 2,800,000 | Pa·√m | — | ||
Ultimate Tensile Strength(σUTS) | 35.00 | MPa | — | ||
Yield Strength (0.2% offset)(σy) | 18.00 | MPa | — | ||
Young's Modulus(E) | 650.0 | MPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 935 | kg/m³ | — |