The Lucky Tpp1 Solar Backsheet is a high-performance encapsulation solution engineered specifically for high-voltage photovoltaic systems. By integrating a premium PVF fluoropolymer weather-resistant layer with a self-developed PO bonding film, this product delivers unmatched electrical insulation and environmental durability, ensuring the long-term stability of solar modules in the most demanding climates.
Designed to meet the rigorous demands of 1500V systems and utility-scale power plants, the Tpp1 backsheet optimizes power generation through high reflectivity and superior thermal stability. Its certified compliance with IEC 62788-2 standards makes it the ideal choice for developers seeking high-reliability modules and advanced protection against UV radiation, moisture, and chemical corrosion.
| PVF Layer Thickness | 125±5μm | PO Layer Melting Point | ≥160°C |
|---|---|---|---|
| Volume Resistivity | >1×10¹⁶Ω·cm | Reflectivity | ≥85% |
| Partial Discharge | 15kV | UV Aging Resistance | >150kWh/m² |
| System Compatibility | Full 1500V Certification | Damp Heat Aging | 3000 Hours Stable |
| Thermal Cycling | -40°C to 85°C (200 cycles) | Standard Compliance | IEC 62788-2 |
High-quality PVF fluoropolymer film with UV absorbers provides a robust barrier against harsh weather and chemicals.
Proven durability through 3000-hour damp heat aging and 200 thermal cycles for long-term operational stability.
Reflectivity ≥85% significantly reduces heat absorption and improves overall module power generation efficiency.
Optimized for 1500V systems with superior volume resistivity and partial discharge performance.
Three-layer co-extrusion ensures a dense structure with minimal lamination bubbles and excellent puncture resistance.
100% inspection of finished products with complete quality traceability for every production batch.
Comprehensive screening of all PVF and PO resins to ensure purity and consistent chemical composition.
Real-time tracking of co-extrusion parameters to maintain precise thickness and structure density.
Rigorous testing for partial discharge and volume resistivity to guarantee 1500V compatibility.
Regular sampling for damp heat and UV exposure tests to predict long-term field performance.
Complete digital records from raw material batch to finished product shipment for full accountability.
Continuous iteration of PO film formulations to enhance interface bonding and stability.
| Feature | Standard Backsheets | Lucky Tpp1 Backsheet |
|---|---|---|
| System Voltage | Standard 1000V | Certified 1500V High Voltage |
| Service Life | Average durability | Enhanced (3000h Damp Heat) |
| Power Yield | Standard Reflection | High Efficiency (≥85% Reflectivity) |
| Environmental Resistance | Basic UV protection | Premium PVF-based Weathering |
| Risk Mitigation | Standard Quality Checks | 100% Inspection & Full Traceability |
The Tpp1 features exceptional electrical insulation with volume resistivity >1×10¹⁶Ω·cm and a partial discharge rating of 15kV, meeting the stringent safety requirements of high-voltage systems.
The PVF layer is specifically designed with high-efficiency UV absorbers and stabilizers, providing superior resistance to weathering, acids, alkalis, and salt spray.
Yes, positively. With a reflectivity of ≥85%, it reduces heat accumulation in the module, which helps maintain higher efficiency and increases total power generation.
Absolutely. The Tpp1 is recommended for high-reliability requirements, including specialized applications like double-glass modules and utility-scale projects.
The product is certified through the IEC 62788-2 standard testing, ensuring it meets global benchmarks for solar backsheet performance and safety.
We use a three-layer co-extrusion process for our self-developed PO film, creating a uniform and dense structure that enhances interface bonding and prevents bubbles during lamination.