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High thermal stability and excellent glass transition temperature (Tg) enhancement in cured epoxy systems.
Low volatility and low toxicity compared to traditional amine-based curing agents, improving workplace safety.
Good compatibility with standard bisphenol-A and bisphenol-F epoxy resins without requiring accelerators.
Slow-reacting nature enables extended pot life and improved processing control for thick-section casting and winding applications.
Delivers superior electrical insulation properties and moisture resistance in high-performance composites.
High-voltage electrical insulators and bushings for power transmission equipment.
Encapsulation and potting compounds for aerospace-grade electronic modules.
Winding varnishes and impregnating resins for high-efficiency motors and generators.
Structural composites in wind turbine blade root sections and marine components.
Advanced tooling and mold-making materials requiring dimensional stability under thermal cycling.
| Chemical Type | Tetrahydrophthalic anhydride (THPA) |
| Product Form | Crystalline solid |
| Appearance | White to off-white crystalline powder or flakes |
| Molecular Weight | 166.13 g/mol |
| Melting Point | 95–100 °C |
| Acid Value | 740–760 mg KOH/g |
| Moisture Content | ≤ 0.15 wt% |
| Key Features | Low exotherm, hydrolytic stability, non-corrosive to metals |
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
