Low-viscosity, high reactivity & Tg
SM-ER-90 Resin
Low-viscosity trifunctional epoxy, high reactivity, Tg up to 250°C.
Product Description：
SM-ER-90 is a highly reactive, low-viscosity trifunctional epoxy resin based on para-aminophenol (TGpAP). Delivers rapid cure and high Tg (up to 250°C)
CAS NO. 5026-74-4
Classic Applications:
High-temperature structural adhesives
Micro-motor potting/encapsulation
Matrix resin for filament winding, pultrusion
High-performance prepreg systems
Typical Properties
| Property | Value |
| Appearance | Amber viscous liquid/semi-solid |
| Epoxy Value, eq/100g | ≥ 0.90 |
| Hydrolyzable Chlorine Content (ppm) | ≤500 |
| Density@ 25°C, g/cm3 | 1.22 |
| Viscosity @ 25±1°C (mPa·s) | 1,500 – 2,500 |
| Non-volatile Matter (%) | ≥ 98.5 |
| Flash point, closed cup, °C | ≥230 |