Electronic-grade medium-high viscosity, high Tg
SM-ER-80D 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 and radiation-resistant components
Primary resin for adhesives requiring 200–260°C continuous endurance.
Low-halogen electronic-grade adhesives, die-attach adhesives, and conductive adhesive matrices.
Primary matrix or modifying resin for chip encapsulation materials.
Typical Properties
| Property | Value |
| Appearance | Amber to red-brown viscous liquid |
| Epoxy Value, eq/100g | ≥ 0.80 |
| Viscosity @ 50±1°C (mPa·s) | 3,000 – 7,000 |
| Total Chlorine (ppm) | ≤1,500 |
| Inorganic Chlorine (ppm) | ≤5 |
| Non-volatile Matter (%) | ≥ 98.5 |