The Lucky KPCw1 Solar Backsheet is a high-performance photovoltaic insulation solution engineered with a specialized PVDF fluoropolymer weather-resistant layer. Designed to meet the rigorous demands of the global solar industry, it provides an impenetrable shield against environmental degradation, ensuring that PV modules maintain peak efficiency and structural integrity over their entire operational lifespan.
By integrating advanced fluorinated coating technology with a robust bonding system, the KPCw1 backsheet delivers exceptional interface stability and mechanical durability. Whether deployed in high-irradiation deserts or humid coastal regions, this product offers a reliable barrier that prevents delamination and protects sensitive solar cells from moisture, chemicals, and extreme temperature fluctuations.
| UV Blocking Rate | >95% | Temperature Range | -40°C to 85°C |
|---|---|---|---|
| Aging Test (Dual 85) | 3000 Hours Pass | Peel Strength (with EVA) | >60N/cm |
| UV Accelerated Aging | 200kWh/m² Pass | Tensile Strength Retention | >90% (After Damp Heat) |
| Bond Strength Retention | >85% (Humid Env) | Chemical Resistance | Acids, Alkalis, Solvents, Salt Spray |
| Interface Stability | Excellent (Thermal Aging) | Inspection Standard | 100% Dimensional & Appearance |
Special PVDF formulation achieves over 95% UV blocking rate to prevent polymer degradation.
Passes 3000-hour dual 85 aging tests, ensuring long-term stability in harsh climates.
Peel strength >60N/cm with EVA, eliminating the risk of delamination over time.
Highly resistant to salt spray, acids, and solvents, ideal for coastal installations.
Maintains stable mechanical properties from -40°C up to 85°C without deformation.
Strict quality control with complete production records for every single batch.
Comprehensive inspection of all incoming polymers to ensure baseline purity.
Automated tracking of key production parameters to prevent variance.
100% dimensional and appearance check on every finished product unit.
Regular sampling for damp heat and UV aging tests to verify longevity.
Complete digital records allowing full traceability from raw material to shipment.
Continuous performance enhancement through our dedicated PV technology center.
| Performance Metric | Standard Backsheet | Lucky KPCw1 |
|---|---|---|
| Service Life | 10-15 Years | 25+ Years |
| Degradation Rate | Moderate | Ultra-Low |
| Maintenance Cost | Periodic Replacement | Minimal/None |
| Energy Yield Stability | Variable (Aging) | High Consistency |
| ROI Timeline | Standard | Accelerated (Life-cycle) |
PVDF (Polyvinylidene fluoride) provides exceptional resistance to UV radiation, chemicals, and extreme temperatures, significantly reducing the risk of yellowing, cracking, or delamination compared to standard materials.
The KPCw1 is specifically designed for such environments, passing rigorous salt spray and damp heat aging tests (Dual 85) to prevent moisture ingress and maintain bond strength.
A peel strength over 60N/cm ensures a powerful chemical and mechanical bond with EVA encapsulants, preventing air pockets and delamination that could otherwise lead to module failure.
Yes, it is engineered to remain stable and flexible across a temperature range from -40°C to 85°C, making it ideal for regions with high diurnal temperature variations.
We implement a strict quality control protocol including raw material inspection, real-time production monitoring, 100% finished product checks, and accelerated aging sampling.
Absolutely. Its high durability and verified long-term reliability make it the preferred choice for utility-scale power plants and industrial distributed solar projects globally.
