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Product Description
Innovative Material and Process Design
The TPP1 backsheet features a precision-engineered multi-layer composite structure:
1. Weather-resistant layer using high-quality PVF fluoropolymer film:
- Thickness precisely controlled within 125±5μm range
- Incorporates high-efficiency UV absorbers and stabilizers
- Specially treated surface enhances interface bonding
- Certified through IEC 62788-2 standard testing
2. Bonding layer with self-developed PO film:
- Manufactured by three-layer co-extrusion for uniform, dense structure
- Melting point ≥160°C ensures high-temperature stability
- Reflectivity ≥85% improves module power generation efficiency
- Special formulation enhances long-term weather resistance
Outstanding High-Voltage System Compatibility
1. Electrical insulation performance:
- Volume resistivity >1×10¹⁶Ω·cm
- Partial discharge <5pC
- Breakdown voltage >15kV
- Full certification for 1500V systems
2. Environmental durability:
- UV aging resistance >150kWh/m²
- Stable performance after 3000-hour damp heat aging
- No abnormalities after 200 thermal cycles (-40°C~85°C)
- Excellent resistance to acids, alkalis, solvents and salt spray
Superior Process Compatibility
1. Module encapsulation performance:
- Lamination bubble area <0.5%
- EVA interface bonding strength >60N/cm
- Yellowing index ΔYI<2
- Thermal shrinkage <1.5%
2. Mechanical reliability:
- Initial tensile strength ≥100MPa
- Elongation at break >120%
- Interlayer peel strength >6N/mm
- Puncture resistance meets stringent requirements
Rigorous Quality Control System
Each production batch undergoes:
Comprehensive raw material inspection
Monitoring of key production parameters
100% finished product appearance and performance inspection
Regular sampling for accelerated aging tests
Complete quality traceability records
Professional Application Solutions
Specially recommended for:
1500V high-voltage PV systems
Utility-scale solar power plant projects
High-reliability module requirements
PV projects in harsh environments
Special applications like double-glass modules
Lucky remains committed to optimizing the performance of TPP1 backsheet products to provide more reliable solutions for high-voltage PV systems. We cordially invite industry partners to visit our R&D center and production facilities to jointly explore advancements in high-voltage PV technology.
