Introduction
保定乐凯进出口贸易有限公司 (Baoding Lekai International Ltd.) introduces the Lucky KPCw1 Solar Backsheet, a cutting-edge solution designed to enhance the durability and efficiency of photovoltaic (PV) systems. This article delves into the product’s features, technical specifications, applications, and the company’s commitment to innovation.
Key Features and Advantages
Outstanding Environmental Resistance
The KPCw1 backsheet utilizes a PVDF fluoropolymer weather-resistant layer, offering unparalleled protection against environmental stressors:
- UV Protection: Over 95% UV blocking rate to prevent degradation.
- Temperature Adaptability: Operates stably between -40°C and 85°C.
- Weather Durability: Passes 3000-hour dual 85 (85°C/85% RH) aging tests.
- Chemical Resistance: Resists acids, alkalis, solvents, and salt spray.
- Mechanical Properties: Retains >90% tensile strength after damp heat aging.
Reliable Bonding System
The fluorinated coating cured adhesive layer ensures long-term performance:
- Peel strength with EVA >60N/cm.
- Excellent interface stability under thermal aging.
- No delamination after thermal cycling tests.
- Passes 200kWh/m² UV accelerated aging test.
- Retains >85% bond strength in humid environments.
Strict Quality Control
Every batch undergoes rigorous testing, including:
- Raw material inspection.
- Real-time production monitoring.
- 100% finished product inspection.
- Regular accelerated aging tests.
- Comprehensive traceability records.
Technical Specifications
| Parameter | Details |
|---|---|
| Material | PVDF Fluoropolymer |
| UV Blocking Rate | 95%+ |
| Operating Temperature Range | -40°C to 85°C |
| Humidity Resistance | >85% bond strength retention |
| Peel Strength (EVA) | >60N/cm |
Applications
The KPCw1 backsheet is ideal for:
- Utility-scale solar power plants.
- Commercial and industrial distributed projects.
- Coastal areas with high humidity.
- High-irradiation desert regions.
- Regions with extreme temperature variations.
Company Background
Baoding Lekai International Ltd. is a leading solar backsheet manufacturer and suppliers, dedicated to advancing PV technology. The company’s R&D center and production facilities offer innovative solutions for the global solar industry.
Product Images



References
For further information on industry standards, refer to the NIST guidelines on material durability and photovoltaic systems.
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