100% Solid Epoxy Curing Agent MTHPA 99% Purity Light Yellow Transparent Liquid Methyltetrahydrophthalic Anhydride
Methyltetrahydrophthalic anhydride (MTHPA) is a chemical compound belonging to the family of cyclic anhydrides. It is primarily used as an epoxy curing agent, converting liquid epoxy resin into a solid, durable and thermoset material.
| Appearance | Light Yellow Transparent Liquid, No Mechanical Impurities |
| Viscosity (mPa.s, 25 °C) | 40 Max |
| Freezing Point (°C) | 0 Max |
| Anhydride Content (%) | 41.5 Min |
| Acid Value (mgKOH/g) | 660-685 |
| Colour (Pt-Co) | 200# Max |
| Volatile Content (120 °C) | 2.00% Max |
| Free Acid Content (%) | 0.50 Max |
| Anhydride Equivalent (g/mol) | 166 |
| Flash Point (°C) | 158 |
| Density (g/cm³, 20°C) | 1.21 ± 0.05 |
| CAS No. | 11070-44-3 |
- Curing Properties: Effective curing agent providing excellent heat and chemical resistance, converting liquid epoxy resin into solid, durable thermoset material
- Low Viscosity: Easier handling and mixing with epoxy resins, improving processing and application characteristics
- Thermal Stability: Good thermal stability for applications requiring temperature resistance
- Electrical Properties: Excellent electrical properties in cured epoxy resins
Epoxy coatings curing agent systems, potting compound curing agent formulations, electrical insulation casting, industrial epoxy laminates, solvent-free potting systems, and general industrial epoxy curing applications.
This 99% pure, solvent-free epoxy curing agent offers high performance with excellent adhesion, long working time, and extended pot life. Compliant with RoHS and REACH standards, it serves as a reliable chemical-resistant epoxy hardener for various industrial applications.
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