Anhydride curing agent for epoxy resin, valued for high purity, low viscosity and light color. Used in laminates, epoxy adhesives and solvent-free paints, and widely specified in electrical and motor components that need good impregnation, potting and winding performance.
Product Code
MTPHA
Methyltetrahydrophthalic Anhydride (MTPHA)
CAS Number
11070-44-3
EINECS
234-290-7
Description
Synonyms
Key applications
- Epoxy resin curing agent
- Laminates
- Electrical motor and capacitor impregnation, potting and winding
Characteristics
| Molecular formula | C9H10O3 |
|---|---|
| Molecular weight | 166.17 |
| Appearance | Colorless transparent liquid |
| Color (Pt-Co) | ≤ 50 |
| Acid value | 660.0-685.0 mgKOH/g |
| Density (20°C) | 1.16-1.26 g/cm3 |
| Viscosity (25°C) | ≤ 0.04 mPa.s |
| Content of anhydride group | ≥ 40.5 |
| Crystallization point | ≤ 15 |
| Free acid | ≤ 0.05% |
| Reduction after heating (120°C) | ≤ 2.00% |