medium-high viscosity, high Tg
SM-ER-80 Resin
High-temperature tetrafunctional epoxy resin, medium-high viscosity, Tg up to 260°C.
Product Description：
SM-ER-80 is a premium tetrafunctional amine-based epoxy resin (TGDDM type). Engineered for ultra-high crosslink density, providing exceptional hot/wet performance and radiation resistance.
CAS NO. 28768-32-3
Classic Applications:
Primary aerospace composite structures (carbon fiber prepregs)
High-performance laminates
Radiation-resistant components
High-temperature structural parts
Typical Properties
| Property | Value |
| Appearance | Amber viscous liquid/semi-solid |
| Epoxy Value, eq/100g | ≥ 0.8 |
| Density@ 25°C, g/cm3 | 1.15 |
| Viscosity @ 25±1°C (mPa·s) | 3,000 – 7,000 |
| Non-volatile Matter (%) | ≥ 98.5 |
| Flash point, closed cup, °C | 113 |