TPCW2 Solar Backsheet
The TPCw2 solar backsheet is an innovative product specifically designed for harsh environments, combining DuPont PVF fluoropolymer film with advanced fluorinated coating curing technology to provide comprehensive long-term protection for photovoltaic modules. Based on internationally leading material science and precision manufacturing processes, this product ensures excellent performance under various extreme climate conditions through strict quality control systems.
Specification & details
Innovative Composite Structure Design
The TPCw2 backsheet is manufactured using precision multi-layer composite technology:
1. Weather-resistant layer using DuPont 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 utilizing patented fluorinated coating curing technology
- Special fluorocarbon resin forms 3D cross-linked structure
- Unique molecular design improves interface bonding strength
- Initial peel strength ≥80N/cm
- Validated by 3000-hour dual 85 (85°C/85%RH) aging tests
Exceptional Long-Term Reliability
1. Environmental durability performance
- UV aging resistance >200kWh/m², exceeding industry standards
- Stable performance after 4000-hour damp heat aging
- No abnormalities after 300 thermal cycles (-40°C~85°C)
- No corrosion after 1500-hour salt spray test
2. Mechanical performance assurance
- Initial tensile strength ≥110MPa
- Tensile strength retention ≥90% after aging
- Elongation at break >130%, ensuring installation reliability
- Interlayer peel strength >8N/mm, preventing delamination risks
Excellent Module Compatibility
1. Encapsulation interface performance
- Passes 1500-hour compatibility test at 85°C/85%RH
- EVA interface bonding strength >70N/cm
- Bubble area <0.3%, minimizing optical loss
- Yellowing index ΔYI<1.5, maintaining module aesthetics
2. Special environmental adaptability
- Passes hot spot test at 160°C local high temperature
- Excellent anti-PID performance for high-efficiency modules
- Certified to IEC 62788-7-2 and other international standards
- Complies with all UL certification requirements
Strict Quality Control System
Each production batch undergoes
- Comprehensive raw material inspection
- Real-time 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
- Utility-scale solar power plant projects
- Power stations in high-humidity coastal areas
- High-irradiation environments like deserts
- Special structures including double-glass modules
- Projects with stringent reliability requirements
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