Solar Backsheet Film
Solar Backsheet Film is a durable, high-performance protective layer designed for photovoltaic (PV) modules. It ensures long-term reliability by safeguarding solar cells from environmental, thermal, and electrical stresses. Engineered with multi-layer construction, the backsheet provides superior insulation, UV resistance, and moisture barrier performance—enhancing the overall lifespan and efficiency of solar panels.
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Key Features
Excellent UV & Weather Resistance
Protects PV modules from harsh outdoor conditions including extreme temperature, humidity, and solar radiation.
High Electrical Insulation
Offers outstanding dielectric strength for safe and stable module operation.
Superior Moisture Barrier
Prevents water ingress and reduces the risk of delamination and PID (Potential Induced Degradation).
Thermal Stability
Maintains structural integrity and performance across wide temperature ranges.
Strong Mechanical Durability
Multi-layer laminated structure provides enhanced tear resistance and long-term stability.
Easy Lamination Compatibility
Supports fast and uniform lamination with EVA, POE, and other encapsulant films.
Applications
- Crystalline silicon solar modules
- Thin-film modules
- Mono & polycrystalline PV panels
- Utility-scale, commercial, and residential solar installations
- High-humidity or tropical climate installations
Technical Specifications
| Property | Specification |
|---|---|
| Structure | 3-layer or 5-layer laminated backsheet |
| Thickness | 250–350 μm (custom options available) |
| Thermal Stability | -40°C to +150°C |
| UV Resistance | > 25 years outdoor life |
| Water Vapor Transmission (WVTR) | Low permeability |
| Dielectric Strength | ≥ 20 kV |
| Tensile Strength | High mechanical resistance |
| Color Options | White, Black, Transparent |
Why Choose Us
Our backsheet films are manufactured with precision and advanced polymer technology, ensuring long-term performance, superior weather resistance, and excellent module compatibility. Ideal for module manufacturers seeking reliable protection and enhanced lifecycle performance for PV modules.
