KPCW1 Solar Backsheet
The KPCw1 solar backsheet is a high-performance protective material developed specifically for modern photovoltaic modules. Utilizing innovative composite manufacturing processes and advanced material formulations, it provides comprehensive environmental protection for PV systems. Backed by years of material R&D experience and strict quality control systems, this product maintains stable performance under various harsh environmental conditions.
Specification & details
Innovative Composite Manufacturing Process The KPCw1 backsheet employs a unique combination of film lamination and precision coating technologies: - Weather-resistant layer using high-quality PVDF fluoropolymer film - Adhesive layer formed by patented fluorinated coating curing technology - Specially designed PET substrate formulation ensures dimensional stability - Precision coating process guarantees uniformity across functional layers
Outstanding Environmental Resistance
The PVDF fluoropolymer weather-resistant layer provides multiple protective characteristics:
1. UV protection: Special formulation achieves over 95% UV blocking rate
2. Temperature adaptability: Maintains stable performance from -40°C to 85°C
3. Weather durability: Passes 3000-hour dual 85 (85°C/85% RH) aging test
4. Chemical resistance: Effectively withstands acids, alkalis, solvents, salt spray
5. Mechanical properties: >90% tensile strength retention after damp heat aging
Reliable Bonding System
The fluorinated coating cured adhesive layer has been rigorously verified:
- Peel strength with EVA >60N/cm, ensuring long-term reliability
- Excellent interface stability demonstrated in thermal aging tests
- No delamination after thermal cycling tests
- Passes 200kWh/m² UV accelerated aging test
- >85% bond strength retention in humid environments
Strict Quality Control
Every batch of KPCw1 backsheet undergoes
- Comprehensive raw material inspection
- Real-time monitoring of key production parameters
- 100% finished product appearance and dimensional inspection
- Regular sampling for accelerated aging tests
- Complete product quality traceability records
Wide Range of Applications
This product is suitable for
- Utility-scale solar power plants
- Commercial and industrial distributed projects
- Coastal areas with high humidity
- High-irradiation desert regions
- PV projects in regions with large temperature variations
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