The Lucky Tpcw1 Transparent Solar Backsheet is a cutting-edge encapsulation solution engineered specifically for high-efficiency bifacial photovoltaic modules. By integrating DuPont™ transparent Tedlar® film with a proprietary fluorinated coating technology, this backsheet maximizes rear-side light absorption while providing an impenetrable barrier against harsh environmental stressors, ensuring long-term energy yield and structural stability.
Designed to meet the most rigorous international standards including IEC 62788-7-2, the Tpcw1 offers an exceptional balance of optical clarity and mechanical durability. From utility-scale power plants to sophisticated BIPV applications, it provides the essential reliability required for modern solar infrastructure, significantly reducing degradation and optimizing the return on investment for bifacial solar projects.
| Total Light Transmittance | ≥91.5% | Weather-resistant Layer | DuPont™ transparent Tedlar® film |
|---|---|---|---|
| Layer Thickness | 125±5μm | Initial Peel Strength | ≥70N/cm |
| UV Aging Resistance | >120kWh/m² | Light Transmittance Retention | >95% after 3000h UV aging |
| Interface Bonding (EVA) | >60N/cm | Damp Heat Test | 3000 hours (85°C/85%RH) |
| Thermal Cycling | 200 cycles (-40°C to 85°C) | Compliance Standard | IEC 62788-7-2 / ISO 13468 |
Utilizes high-efficiency UV stabilizers and DuPont™ Tedlar® film to prevent degradation under intense solar radiation.
Validated by 3000-hour damp heat tests and 50 freeze-thaw cycles to ensure stability in any climate.
With ≥91.5% transmittance, it maximizes rear-side power generation for bifacial module efficiency.
3D cross-linked fluorocarbon resin system ensures high peel strength and reliable module encapsulation.
Engineered to provide excellent anti-PID protection, maintaining high performance for high-efficiency modules.
Specially treated surface reduces dust accumulation, ensuring consistent light intake over time.
Comprehensive testing of every incoming batch of polymers and resins for purity and spec compliance.
Continuous tracking of key production parameters to ensure thickness precision of 125±5μm.
100% finished product inspection for light transmittance and haze values.
Regular sampling for UV and damp heat stress tests to validate long-term reliability.
Complete digital quality records for every production batch from raw material to shipping.
Continuous optimization of bifacial technology in collaboration with global industry partners.
| Feature Metric | Standard Backsheets | Lucky Tpcw1 |
|---|---|---|
| Rear-Side Power Gain | Moderate/Low | Maximum (≥91.5% Transmittance) |
| UV Degradation Rate | Standard | Ultra-Low (>120kWh/m² Resistance) |
| Environmental Life | 10-15 Years | 25+ Years (Certified Stability) |
| PID Susceptibility | Higher Risk | Excellent Anti-PID Protection |
| Maintenance Cost | Regular Cleaning | Reduced (Self-Cleaning Surface) |
The Tpcw1 features a total light transmittance of ≥91.5%, which allows maximum sunlight to reach the rear side of the cell, significantly increasing the energy yield compared to traditional backsheets.
DuPont™ Tedlar® provides an exceptional weather-resistant layer with high-efficiency UV stabilizers, protecting the module from moisture, corrosion, and UV-induced yellowing over decades of use.
Yes, it is specifically engineered for interface compatibility with EVA, passing 1000-hour compatibility tests at 85°C/85%RH with a bonding strength >60N/cm.
It is ideal for utility-scale bifacial plants, BIPV (Building Integrated Photovoltaics), commercial projects, and specialized agrivoltaics where high reflectivity environments exist.
The Tpcw1 is tested to withstand 200 thermal cycles from -40°C to 85°C and 50 freeze-thaw cycles without losing structural integrity or optical performance.
The product is certified to IEC 62788-7-2 and complies with the ISO 13468 light transmittance testing standard, ensuring it meets global industry quality benchmarks.
