MTHPA-Based High-Temperature Anhydride-Cured Epoxy Resin

Our High-Temperature Anhydride-Cured Epoxy Resin is specially formulated for electrical, electronic, and composite applications that require exceptional heat resistance, mechanical stability, and long-term reliability.
Using advanced acid anhydride curing agents (such as MTHPA, HHPA, and THPA), this resin system provides superior thermal endurance, low shrinkage, and excellent insulation performance - ideal for encapsulation, casting, and structural bonding under high-temperature conditions.

• Superior Thermal Resistance: Continuous operation at 180–200°C (Class H–N), excellent dimensional stability under heat.
• High Mechanical Strength: Outstanding tensile and flexural strength under high-temperature stress.
• Low Shrinkage & Low Exotherm: Ensures crack-free curing for precision components.
• Excellent Electrical Insulation: Maintains dielectric strength ≥15 kV/mm under elevated temperatures.
• Chemical & Moisture Resistance: Reliable under humidity, oil, and chemical exposure.
• Environmentally Friendly: Low-toxicity, REACH & RoHS compliant.

1. High-temperature electrical insulation
2. Motors, generators, and inverters
3. Power transformers and cast resin systems
4. Composite structural bonding and laminates
5. Electronic encapsulation and high-heat PCB protection

• Property: Typical Value
• Thermal Class: H (180°C) – N (200°C)
• Dielectric Strength: ≥15 kV/mm
• Volume Resistivity: ≥10¹⁴ Ω·cm
• Viscosity (25°C): 1500–2500 mPa·s
• Gel Time (120°C): 20–30 min
• Density: 1.18–1.25 g/cm³
• Curing Agent: MTHPA / HHPA / THPA
• Mixing Ratio (Resin:Curing Agent): 100:90–100

1. Expert in Anhydride Curing Chemistry - Over 15 years of experience in MTHPA/HHPA/THPA systems.
2. Reliable High-Temperature Performance - Proven stability in 180–200°C applications.
3. Global Supply Capability - 80,000+ tons annual capacity with consistent quality control.
4. Custom Formulation Services - Tailored viscosity, reactivity, and curing profile for specific processes.
5. Eco-Friendly Production - Compliant with ISO 9001, ISO 14001, and international safety standards.

• 25 kg / 200 kg steel drums or 1000 kg IBC
• Standard export packaging with labeling and palletizing
• Global delivery by sea or air
• Technical and application support available worldwide

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