EP is a thermoset epoxy polymer, a cross-linked resin system valued for its high stiffness, excellent chemical resistance, and dimensional stability across wide temperature ranges. It is widely used in aerospace structures, electrical insulation, composite matrix systems, and industrial adhesives where performance under thermal and mechanical stress is critical. Engineers select epoxy systems like EP for applications demanding superior strength-to-weight ratios, low creep, and reliability in harsh chemical or elevated-temperature environments compared to commodity thermoplastics.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Compressive Strength(σc) | 27.15 | MPa | — | ||
Elongation at Break(εf) | 4.449 | - | — | ||
Flexural Strength (MOR)(σf) | 123.8 | MPa | — | ||
Hardness (Vickers)(HV) | 290 | HV | — | ||
Ultimate Tensile Strength(σUTS) | 57.09 | MPa | — | ||
Young's Modulus(E) | 2.118 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Glass Transition Temperature(Tg) | 412.9 | K | — | ||
Melting Point / Solidus(Tm) | 373.1 | K | — | ||
Maximum Service Temperature(Tmax) | 643.8 | K | — | ||
Thermal Conductivity(k) | 0.5192 | W/(m·K) | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 2.946 | eV | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Refractive Index(n) | 1.564 | - | — |