Modified phenolic aldehyde amine curing agent, made by reacting phenol, formaldehyde and ethylenediamine. Cures at room temperature with strong adhesion and low cost, though the cured product is brittle on its own and is often blended with a low molecular weight polyamide to improve toughness.
Product Code
T-31
Phenolic Aldehyde Amine (T-31)
Description
Synonyms
Key applications
- Room-temperature construction cement with epoxy resin
- Bonding and caulking of concrete, steel, ceramic tile and glass-fiber-reinforced epoxy
- Dark, anticorrosive paint
Characteristics
| Appearance | Brown yellow transparent liquid |
|---|---|
| Color (Gardner) | ≤ 7 |
| Viscosity | 800-2000 mPa.s/25°C |
| Amine value | 450-500 mgKOH/g |
| Specific gravity (21°C) | 1.01-1.10 |
| Flash point (closed cup) | 75°C |
| AHEW | 70 |
| Mixed ratio with 128 (epoxide equivalent 190) | 37 |