TONSAN 2533W is a white, two-part, addition-cure potting compound (1:1 mix) for PV inverters. It cures quickly at room temperature, is easy to remove for rework, and offers good thermal conductivity (≥0.8 W/m·K), excellent dielectric properties, V0 flame retardancy and extremely low contact stress. FEYANA supplies TONSAN 2533W to inverter and power electronics manufacturers.
Key features
- Fast room-temperature cure, easy to remove and rework
- Good thermal conductivity: ≥0.8 W/m·K
- Excellent dielectric properties and V0 flame retardancy
- Extremely low contact stress
- Long-term resistance to harsh weather
- 1:1 mix ratio by volume
Technical data
| Curing type | Addition cure |
|---|---|
| Mix ratio by volume | 1:1, 2-part |
| Color | White |
| Viscosity (cPs) / Extrusion rate (s/20g) | 6000-8000 |
| Working time @25℃ | ≥8min |
| Curing speed | Gel time≤45min |
| Tensile strength (MPa) | ≥0.2 |
| Thermal conductivity (W/m·K) | ≥0.8 |
| Breakdown voltage (kV/mm) | ≥15 |
| Volume resistance (Ω·cm) | ≥1×10^15 |
Applications
- Potting of PV inverters
Data are typical values from the manufacturer’s literature. Contact us for the TDS/SDS and selection advice.
Contact FEYANA: WhatsApp/Zalo +84 988 641 591 – sales.00@feyana.com




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